It seemed hard to imagine the president's relationship with the Kentucky senator getting much worse. Then Trump questioned whether McConnell had polio.

Trump lays into Mitch McConnell after Senator continues rebellion: ‘He’s not equipped mentally’ - President claims he never ...

For the third time in three weeks, former Senate GOP leader Mitch McConnell (R-Ky.) had a scathing explanation after he voted "no" on a Trump nominee. Why it matters: Freed from his leadership role ...