"at the hour" starts right now with kate baldwin. >>> hello, everyone. i'm kate baldwin. thank you for joining me. it is debate day in america once again. but in many ways it's another race. the front runner, the new candidate and a different set of voters that the candidates are speaking to as the six democratic presidential candidates take the place in tonight. new national polls show bernie sanders securing his front runner status. he has a double digit lead. and there's the newcomer on the stage tonight, michael bloomberg qualifying for the first time. in the if the past two or so days have been an indication, he has a target on his back. here's just from last night. >> all of the candidates, we did town meetings and thousands and thousands of people. he said i don't have to do that. i'm worth $60 billion. i have more wealth in the bottom 125 million americans. i'll buy the presidency. >> do you think michael bloomberg is trying to buy the democratic nomination for president? >> yes. yes. [ applause ] >> i mean, what else do you call it when you dip into your endless