pierre thomas with us tonight as well. pierre, thank you. next, to capitoll.il h the senate, in a last-ditch effort to kill obamacare, but time is running out. they have to get it done by nex proposal mean for medicaid and for pre-existing conditions? and the republicans can only afford to lose two senators, so, where does the tally stand tonight? abc s mary bruce back on the hill. reporter: tonight, the mad dash to deliver. mr. vice president, are you finally going to get health reform done? making progress. reporter: the vice president arriving at the capitol to rally republicans. his message? now is the time. just six working days left for republicans to overhaul obamacare with a simple majority vote. the white house tonight is fully onboard. the president s working the phones. we re all in! reporter: the new gop plan ends obamacare subsidies and the medicaid expansion. instead, states will get some money to use as they see fit. here s the choice for perk america.