House Speaker Mike Johnson has a tougher job thanks to former Speaker Kevin McCarthy, his ousted predecessorAP; GettyFormer Speaker Kevin McCarthy was forced to cut deals to win the speakership.McCarthy's agreements are now making Speaker Mike Johnson's life more difficult.In particular, McCarthy granted power to conservatives who frequently defy Johnson's wishes.House Speaker Mike Johnson can blame his problems on his predecessor, former Speaker Kevin McCarthy.Anyone may have struggled to wrangle this slim Republican majority.