repealing and replacing the affordable care act. >> action is not a choice. it's a necessity. i'm calling on all democrats and republicans in congress to work with us to save americans from this imploding obamacare disaster. >> shepard: the republican party has been split over how to replace president obama's signature healthcare law. politico is reporting that gop lawmakers don't know what he meant in the address to congress. the house majority leader, kevin mccarthy said the president endorsed the party's leadership plan which would let americans use tax credits to help pay for insurance. some of the party's conservative have called that proposal obamacare-like. they said the president did not give the leaders the go-ahead. mark sanford perhaps summed it up clearly when he said we all hear what we want to hear. mike emanuel is on capitol hill. what are the critics on the