Photos of the week (photo gallery)

ASSOCIATED PRESS

Texas A&M coach Kevin Sumlin, center, leads his team out onto the field before an NCAA college football game against Florida, Saturday, Sept. 8, 2012, in College Station, Texas. Texas A&M begins a new era with its first Southeastern Conference game after leaving the Big 12 Conference. (AP Photo/David J. Phillip)

ASSOCIATED PRESS

Air Force One, with President Barack Obama aboard, taxis on the runway under a heavy rain before departing at Andrews Air Force Base, Md., Wednesday, Sept. 5, 2012, en route to Charlotte, N.C. for the Democratic National Convention. ( AP Photo/Jose Luis Magana)

ASSOCIATED PRESS

President Barack Obama is picked up and lifted off the ground by Scott Van Duzer, owner of Big Apple Pizza and Pasta Italian Restaurant, during an unannounced stop, Sunday, Sept. 9, 2012, in Ft. Pierce, Fla. (AP Photo/Pablo Martinez Monsivais)

AP

Easton Mueller, 5, grasps his mother, Tracy, before the two enter Mrs. Renee Wilberg's kindergarten room for the first day of school at Fair Park Elementary in West Bend, Wis., Tuesday, Sept. 4, 2012. (AP Photo/West Bend Daily News, John Ehlke) MANDATORY CREDIT

AP

Annabel Breuer of Australia falls as the German defence closes in during the women's basketball gold medal match at the 2012 Paralympics games, Friday, Sept. 7, 2012, in London. Germany defeated Australia to win the gold medal. (AP Photo/Raissa Ioussouf)

ASSOCIATED PRESS

San Diego Padres second baseman Logan Forsythe, left, leaps after missing a double play attempt as Arizona Diamondbacks' Adam Eaton, right, slides in late to second during the fourth inning of their baseball game Saturday, Sept. 8, 2012, in San Diego. (AP Photo/Gregory Bull)

ASSOCIATED PRESS

A test of the Tribute in Light shines skyward over lower Manhattan, Friday, Sept. 7, 2012 in New York. The tribute will shine the night of Tuesday, Sept. 11 over New York, eleven years after the terrorist attacks. (AP Photo/Mark Lennihan)

ASSOCIATED PRESS

A fan sits under an umbrella during a rain delay before a baseball game between the Philadelphia Phillies and the Colorado Rockies, Saturday, Sept. 8, 2012, in Philadelphia. (AP Photo/Matt Slocum)

ASSOCIATED PRESS

Gold medalist Russia's Denis Gulin jumps in the men's triple jump F11 category during the athletics competition at the 2012 Paralympics, Thursday, Sept. 6, 2012, in London. (AP Photo/Matt Dunham)

AP

Republican presidential nominee Mitt Romney bids farewell to the audience after campaigning at the Military Aviation Museum in Virginia Beach, Va, Saturday, September 8, 2012. (AP Photo/Rich-Joseph Facun)

ASSOCIATED PRESS

Insulation hangs from ceilings and water drips from the attic as Darryl Dragon walks through his flooded home after floodwaters from Hurricane Isaac receded in Braithwaite, La., Thursday, Sept. 6, 2012. water rose into the attic during the storm. (AP Photo/Gerald Herbert)

ASSOCIATED PRESS

Don Duplantier walks through his flooded home as water recedes from Hurricane Isaac in Braithwaite, La., Sunday, Sept. 2, 2012. In the foreground is a sign marking the waterline from Hurricane Katrina, but floodwater from Isaac went all the way up to the second floor. (AP Photo/Gerald Herbert)

ASSOCIATED PRESS

Four advertising blimps, DirecTV, Hood, Horizon, and MetLife, fly together over the construction of One World Trade Center, now up to 104 floors, and the lower Manhattan skyline, Thursday, Sept. 6, 2012 in New York. Also under construction is 4 World Trade Center, right. Ellis Island is in the foreground. (AP Photo/Mel Evans)

ASSOCIATED PRESS

President Barack Obama, left, and Vice President Joe Biden wave to delegates at the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/Charlie Neibergall)

ASSOCIATED PRESS

Vice President Joe Biden and President Barack Obama wave to the delegates at the conclusion of Presdident Obama's speech at the Democratic National Convention in Charlotte, N.C., on Thursday, Sept. 6, 2012. (AP Photo/J. Scott Applewhite)

AP

Paula Creamer watches her shot out of the sand on the 18th green during one of eight playoff holes with Jiyai Shin, of South Korea, during the Kingsmill Championship LPGA Tour golf tournament in Williamsburg, Va., Sunday, Sept. 9, 2012. Both players failed to birdie and will return to continue the playoff on Monday. (AP Photo/Steve Helber)

MARK J. TERRILL/INVISION/AP

Taylor Swift surfs the crowd at the MTV Video Music Awards on Thursday, Sept. 6, 2012, in Los Angeles. (Photo by Mark J. Terrill/Invision/AP)

ASSOCIATED PRESS

Former President Bill Clinton bows as President Barack Obama walks on stage after Clinton's address to the Democratic National Convention in Charlotte, N.C., on Wednesday, Sept. 5, 2012. (AP Photo/J. Scott Applewhite)

ASSOCIATED PRESS

A fiery piece of an L-39 jet plane catapults away from the main fireball after it crashed during the Quad-City Air Show, Saturday, Sept. 1, 2012, in Mount Joy, Iowa. Authorities say the pilot was killed. (AP Photo/The Quad City Times, John Schultz) MAGS OUT; NO SALES; TV OUT; MOLINE DISPATCH OUT

ASSOCIATED PRESS

Serena Williams reacts after beating Victoria Azarenka, of Belarus, in the championship match at the 2012 US Open tennis tournament, Sunday, Sept. 9, 2012, in New York. Two points from defeat, Williams suddenly regained her composure to come back and win the last four games, beating No. 1-ranked Azarenka 6-2, 2-6, 7-5 on Sunday for her fourth U.S. Open title and 15th Grand Slam title overall. (AP Photo/Darron Cummings)

ASSOCIATED PRESS

San Francisco 49ers' Chris Culliver (29) breaks up a pass intended for Green Bay Packers' Jordy Nelson during the second half of an NFL football game Sunday, Sept. 9, 2012, in Green Bay, Wis. The 49ers won 30-22. (AP Photo/Mike Roemer)