Senate reconvenes amid GOP challenges after Graham's death and McConnell's absence. McConnell resignation before term ends at 31.5% YES.

Lindsey Graham's death and Mitch McConnell's hospitalization raise concerns for the GOP. McConnell's resignation before term end at 56% YES.

With Graham dead, McConnell still in the hospital, and midterms approaching, it looks like the Republicans' supermajority in Congress could shift.