Once thought a corker,
Bob C. rained on The Donald.
Now Bob is 'cork-screwed.'
A New York Times article about the 'Trump effect' includes several Republican members of the lower house who've announced retirement plans. Perhaps not too much should be made of these.
When a party has a large majority in the House, it routinely produces several retirements every 2 years. The actual reason for any of these may have nothing to do with the stated rationale.