over on capitol hill, a new escalation in some of the republican infighting we ve seen over in the senate, with senator rick scott, to use perhaps the world s favorite political cliche, doubling down, gang, on his gop agenda proposals that drew a verbal body slam from senate republican leader mitch mcconnell. senator scott wrote a new op-ed in the wall street journal out now, entitled, why i m defying beltway cowardice. scott writing in part, even if it is just a few bucks, everyone needs to know what it s like to pay some taxes. it hit a nerve. part of the deception is achieved by disconnecting so many americans from taxation. it is a genius political move and it is interrupting us. nbc s garrett haake is on capitol hill. that is a reference, clearly, to what scott had put into this initial agenda of putting a tax on even the poorest americans, forcing them to pay at least some level of tax to the federal