Tillis freedom to ‘call balls and strikes’ hands GOP leaders fresh headache 

The decision by Sen. Thom Tillis (R-N.C.) to not seek reelection next year could give Republican leaders headaches as he looks forward to wielding his newfound political freedom. Tillis announced his retirement amid the GOP’s dash to pass the party’s tax and spending package, having cropped up as a surprise “no” vote in the final...