The US Marine Corps Band is reflected in a tuba

(Photo by JIM WATSON/AFP/Getty Images)

The US Marine Corps Band is reflected in a tuba as US President Barack Obama and First Lady Michelle Obama host military heroes and thier families on the south laawn of the White House in Washington, DC, July 4, 2011 for an Independence Day celebration.

Kitchen staff decorate their area

(Photo by TED ALJIBE/AFP/Getty Images)

Kitchen staff decorate their area with the Stars and Stripes in honour of their country's independence day at Camp Clark in Mandozai district, Khost province, eastern Afghanistan on July 4, 2011. Top US lawmakers on July 3 slammed President Barack Obama's military drawdown plans for Afghanistan as "risky", unsupported by his military commanders and a threat to progress made in the last year.

A US soldier cuts a cake during a meal

(Photo by TED ALJIBE/AFP/Getty Images)

A US soldier cuts a cake during a meal in honour of their country's independence day at Camp Clark in Mandozai district, Khost province, eastern Afghanistan on July 4, 2011. Top US lawmakers on July 3 slammed President Barack Obama's military drawdown plans for Afghanistan as "risky", unsupported by his military commanders and a threat to progress made in the last year.

Competitive Eaters Vie For Coveted Title At Nathan's Hot Dog Eating Contest

(Photo by Ramin Talaie/Getty Images)

NEW YORK, NY - JULY 4: Sonya Thomas, center, competes in the 2011 Nathan's Famous Fourth of July International Hot Dog Eating Contest at the original Nathan's Famous in Coney Island on July 4, 2011 in the Brooklyn borough of New York City. Thomas also known as 'The Black Widow' won this year's first ever women's competition by eating 40 hot dogs.

Seattle Mariners v Oakland Athletics

(Photo by Chad Ziemendorf/Getty Images)

OAKLAND, CA - JULY 4: prior to the MLB game between the Seattle Mariners and Oakland Athletics at Oakland-Alameda County Coliseum on July 4, 2011 in Oakland, California.

President Obama Delivers Remarks at the White House

(Photo by Kevin Dietsch-Pool/Getty Images)

WASHINGTON, DC - JULY 4: U.S. President Barack Obama and First Lady Michelle Obama delivers remarks at an Independence Day barbeque for members of the armed services and White House staff and their families on the South Lawn of the White House on July 4, 2011 in Washington, D.C. Obama hosted the barbeque for members of the armed services and White House staff and their families.

Competitive Eaters Vie For Coveted Title At Nathan's Hot Dog Eating Contest

(Photo by Ramin Talaie/Getty Images)

NEW YORK, NY - JULY 4: A man holds an American Flag during the 2011 Nathan's Famous Fourth of July International Hot Dog Eating Contest in Coney Island on July 4, 2011 in the Brooklyn borough of New York City. Joey Chestnut, won the men's competition by eating 62 hot dogs and Sonya Thomas won the women's event by eating 40 hot dogs in 10 minutes.

Republican Presidential Candidates Romney and Huntsman Campaign In New Hampshire On July 4th

(Photo by Darren McCollester/Getty Images)

AMHERST, NH - July 4: Former Massachusetts governor and republican presidential candidate Mitt Romney marches in the Amherst Fourth of July Parade July 4, 2011 in Amherst, New Hampshire. Romney, considered the republican front runner, raised nearly 20 million in the second quarter.

Competitive Eaters Vie For Coveted Title At Nathan's Hot Dog Eating Contest

(Photo by Ramin Talaie/Getty Images)

NEW YORK, NY - JULY 4: A man dressed as Uncle Sam entertains the crowd during the 2011 Nathan's Famous Fourth of July International Hot Dog Eating Contest in Coney Island on July 4, 2011 in the Brooklyn borough of New York City. Joey Chestnut, won the men's competition by eating 62 hot dogs and Sonya Thomas won the women's event by eating 40 hot dogs in 10 minutes.

General Petraeus Administers The Oath Of Re-enlistment To 235 U.S. Service Members In Kandahar

(Photo/ U.S. Navy Lt. j.g. Haraz N. Ghanbari)

In this photo provided by ISAF Regional Command (South), U.S. Navy Petty Officer 1st Class Christopher Cruz repeats the oath of re-affirmation and re-enlistment during a ceremony conducting by U.S. Army Gen. David H. Petraeus, commanding general of the NATO International Security Assistance Force (ISAF) and U.S. Forces Afghanistan (USFOR-A), for 235 U.S. service members during "Operation Enduring Commitment - The Red, White and True," held at Kandahar Airfield in Kandahar, Afghanistan.

Kansas City Royals v Colorado Rockies

(credit: Doug Pensinger/Getty Images)

Head shots of the players were presented in Independence era costume on the scoreboard as the Colorado Rockies hosted the Kansas City Royals during Interleague play at Coors Field on July 3, 2011 in Denver, Colorado. The Royals defeated the Rockies 16-8.

Boston Cannons v Denver Outlaws

(credit: Marc Piscotty/Getty Images)

DENVER, CO – Fireworks were shown at the Boston Cannons v Denver Outlaws game on July 3, 2011 during the second half at Invesco Field at Mile High Stadium in Denver, Colorado. The Boston Cannons won the game 15-12.

Arizona Diamondbacks v Milwaukee Brewers

(Photo by Mark Hirsch/Getty Images)

MILWAUKEE, WI - JULY 4: A young Brewers fan show her patriotism while cheering for her hometown team as the Brewers hosted the Arizona Diamondbacks at Miller Park on July 4, 2011 in Milwaukee, Wisconsin.

Tampa Bay Rays v Minnesota Twins

(Photo by Hannah Foslien/Getty Images)

MINNEAPOLIS, MN - JULY 4: T.C., mascot for the Minnesota Twins performs before the game between the Minnesota Twins and the Tampa Bay Rays on July 4, 2011 at Target Field in Minneapolis, Minnesota.

President Obama Delivers Remarks at the White House

(Photo by Kevin Dietsch-Pool/Getty Images)

WASHINGTON, DC - JULY 4: U.S. President Barack Obama, joined by First Lady Michelle Obama and members of the armed services, delivers remarks at the South Lawn of the White House on July 4, 2011 in Washington, D.C. Obama hosted an Independence Day barbeque for members of the armed services and White House staff and their families.

Competitive Eaters Vie For Coveted Title At Nathan's Hot Dog Eating Contest

(Photo by Ramin Talaie/Getty Images)

NEW YORK, NY - JULY 4: Joey Chestnut (C) celebrates winning at the end of the 2011 Nathan's Famous Fourth of July International Hot Dog Eating Contest at the original Nathan's Famous in Coney Island on July 4, 2011 in the Brooklyn borough of New York City. Chestnut also known as 'Jaws' won this year's competition by eating 62 hot dogs.

Michelle Bachmann Marches In Iowa Fourth Of July Parade

(Photo by Steve Pope/Getty Images)

CLEAR LAKE, IA - JULY 4: Michelle Bachmann takes part in Fourth of July Parade, Monday July 4, 2011 in Clear Lake, Iowa.

US soldiers eat a 4th of July themed lunch

(Photo by TED ALJIBE/AFP/Getty Images)

US soldiers eat a 4th of July themed lunch in honour of their country's independence day at Camp Clark in Mandozai district, Khost province, eastern Afghanistan on July 4, 2011. Top US lawmakers on July 3 slammed President Barack Obama's military drawdown plans for Afghanistan as "risky", unsupported by his military commanders and a threat to progress made in the last year.