Senate Minority Leader Mitch McConnell gestures to House Speaker Mike Johnson.Jim Watson/AFP/Getty ImagesThis week has shown the extent of congressional Republicans' struggles.Now, even the Senate GOP seems to be going through it.Trump has clearly worsened the situation, but the rot was there long before him.House Republicans' rudderless direction has begun to spread across the Capitol.No, chaos is not a communicable disease, but this entire week in Washington has put on full display the decay inside the Republican Party.