vice president biden announcing he will not enter the presidentacy race himself this year, and his 2012 debate opponent congressman paul ryan announced he will throw his hat into the ring to try to become speaker of the house, but will only do it if republicans great to a whole host of -- paul ryan is demanding unified support from the three caucuses in the house that center rite republicans right-wing republicans and super hard-line republicans. he wants all three of those caucuses on board endorsing him by friday of this week. he says he wants to be excused from the usual fund-raising responsibilities of being speaker of the house so he can spend more times with his families and wants a rules change to make it harder to fire him as speaker once he gets the job. that last one has been a