over. >> the world is watching. it is time for congress to act. >> reporter: after a key test vote today, the u.s. house is poised to approve nearly $61 billion in aid to ukraine tomorrow. along with billions to help israel. but the political cost is difficult to calculate. >> i'm concerned that the speaker has cut a deal with the democrats to fund foreign wars. >> reporter: a third hard-line republican, ersatz paul gosar, has signed onto a plan that could oust his fellow republican mike johnson as u.s. house speaker. the group has criticized johnson for again pushing a major proposal largely supported by democrats. other republicans told cbs news they are dissatisfied, too. do you think this is a tipping point for a speaker johnson, this ukraine vote? >> i definitely sensed that there is a souring, you know, to republican leadership. >> reporter: the defectors still won't say when they would force a vote against johnson, who defended the ukraine legislation. >> this is the best possible product that we can get under these circumstances. >> reporter: democrats