Republican Senators Splinter into Factions amid Border Deal Fallout
- Republican senators are deeply divided, with angry disputes erupting at weekly lunches
- They have broken into warring factions similar to the House GOP dynamics
- Mitch McConnell is facing criticism from the far-right of his caucus
- The Senate was traditionally more stable than the House, but that may be changing
- A failed border security deal exposed serious Republican divides in the Senate