NEW : Barack Obama criticizes Congress , statement from John McCain . He even said at the time that this vote for higher taxes on the middle class was 'getting our nation 's priorities back on track , ' `` McCain said at a rally in Columbus , Ohio . ` McCain 's campaign says Obama `` failed to lead '' VP candidates ' debate on Iraq and Afghanistan. Joe Biden , Sarah Palin spending much of the week in debate prep mode .
NEW : Barack Obama criticizes Congress , statement from John McCain . McCain 's campaign says Obama `` failed to lead '' VP candidates ' debate on Iraq and Afghanistan. Joe Biden , Sarah Palin spending much of the week in debate prep mode .