Lindsey Graham’s abortion ban bill baffles some Republicans as Democrats sharpen attacks in key midterm races

Republicans are distancing themselves from Sen. Lindsey Graham’s new proposal to ban most abortions after 15 weeks of pregnancy, as Democrats hold up the bill as proof the GOP seeks to restrict abortion nationwide if it wins control of Congress in the November midterm elections.

In Graham’s proposal, Democrats see another chance to leverage an issue that has appeared to boost their chances of holding at least one chamber of Congress.

The South…