torpedo majority leader kevin mccarthy's bid do the same to paul ryan? >> i have left this decision in their hands. >> reporter: the ultimatum is set this morning by wisconsin congressman paul ryan. >> this is not a job i've ever wanted. >> reporter: after days of hammering by house republicans seasonally backing him into a corner. >> i think our country is in desperate need of leadership. >> reporter: the 45 former vice presidential nominee is stepping up, saying he's willing to replace house speaker john boehner. but not so fast. ryan says if, and only if, the three largest coalitions in the gop house back his candidacy and agree to the following conditions by friday. ryan demanding that, first, the republican party goes from, quote, an opposition party to being a proposition party. >> we think the nation is on the wrong path. we have a duty to show the right one. our next speaker has to be a visionary one. >> reporter: second, ryan appealing to the house freedom