presidential nomination. presidential hopefuls and possible contenders are out in full force. former minnesota governor tim pawlenty is spending the day in iowa. former vice presidential candidate sarah palin's bus tour takes her to mount washington, mt. vernon, virginia and gettysburg, pennsylvania. and congresswoman michelle bachmann is in dover, new hampshire. businessman herman cane is in new hampshire. give us the impact of her tour. do you believe she's testing the waters on perhaps even running? >> i think that's safe to say, that she is testing the waters. as a matter of fact, earlier at the national ar dmivz washington when she was asked the question are you running for president, she said we are contemplating that. that is a clear signal that this bus tour is at least, in part, testing the waters sort of swing