House Speaker Mike Johnson's position is jeopardized ahead of a key vote, with Rep. Chip Roy indicating he does not have sufficient support despite Donald Trump's endorsement. Concerns over spending decisions have led several Republicans to declare their hesitancy to back him, echoing the tumultuous leadership experiences faced by his predecessor, Kevin McCarthy. With a slim GOP majority, Johnson can only manage one defection without jeopardizing his bid. The upcoming election on Friday will test Republican unity and their capacity to navigate ongoing internal conflicts.