Reality Check: The Cost Of Obama's Pledges, CBS Evening News: If Victorious, Barack Obama May Find Fewer Resources Than He Needs For His Campaign Promises - CBS News

"Without question, the Barack Obama infomercial served as a very slick and powerful recitation of the biggest promises he's made as a presidential candidate. But the very bigness of his ideas is the problem: he seems blind to the concept his numbers don't add up."