Children from public schools in the town of Chatfield, Minnesota, help U.S. President Barack Obama get up after he posed with them for a picture, during his bus trip to the Midwest August 15, 2011. Obama blasted Republicans over taxes on Monday as he launched a bus tour of the U.S. Midwest to tout his job-growth strategy and distance himself from anger toward Washington that could dent his 2012 re-election hopes. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama meets young children from the public schools in Chatfield, Minnesota, during a stop on his bus trip to the Midwest August 15, 2011. Obama blasted Republicans over taxes on Monday as he launched a bus tour of the U.S. Midwest to tout his job-growth strategy and distance himself from anger toward Washington that could dent his 2012 re-election hopes. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama meets a local woman following his lunch with five post-9/11 Minnesota veterans at Old Market Deli in Cannon Falls, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama has lunch with five post-9/11 Minnesota veterans at the Old Market Deli in Cannon Falls, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

Photographers take pictures of U.S. President Barack Obama during a town hall-style meeting in Cannon Falls, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama makes a point during a town hall-style meeting in Cannon Falls, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama meets with members of the audience following a town hall-style meeting in Cannon Falls, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama steps off his bus as he arrives to pick up some dessert pies at the Coffee Mill cafe in Zumbrota, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama meets six-year-old Lydia Schaefer outside the Coffee Mill cafe in Zumbrota, Minnesota August 15, 2011. Obama is traveling on a bus tour through Minnesota, Iowa and Illinois.

U.S. President Barack Obama's bus motorcade travels down a highway from Minnesota to Iowa on his way to a town hall-style event at Seed Savers Exchange in Decorah, Iowa, August 15, 2011. Obama blasted Republicans over taxes on Monday as he launched a bus tour of the U.S. Midwest to tout his job-growth strategy and distance himself from anger toward Washington that could dent his 2012 re-election hopes.

U.S. President Barack Obama stands in front of participants during a town hall-style event at Seed Savers Exchange in Decorah, Iowa, August 15, 2011. Obama blasted Republicans over taxes on Monday as he launched a bus tour of the U.S. Midwest to tout his job-growth strategy and distance himself from anger toward Washington that could dent his 2012 re-election hopes.

U.S. President Barack Obama gestures as he speaks in front of a barn during a town hall-style event at Seed Savers Exchange in Decorah, Iowa August 15, 2011.

U.S. President Barack Obama high-fives a boy as he greets locals before his departure from Decorah, Iowa, August 16, 2011. Obama is on a mid-west bus trip through Minnesota, Iowa and Illinois.

U.S. President Barack Obama hugs a woman who said it was her birthday as he greets locals before his departure from Decorah, Iowa, August 16, 2011. Obama is on a mid-west bus trip through Minnesota, Iowa and Illinois.