Senate Majority Leader Mitch McConnell, R-Ky., is resisting calls for the Senate to return from August recess to take up gun reform measures after deadly mass shootings in El Paso, Texas, and Dayton, Ohio, last weekend.

Senate Majority Leader Mitch McConnell, R-Ky., is resisting calls for the Senate to return from August recess to take up gun reform measures after deadly mass shootings in El Paso, Texas, and Dayton, Ohio, last weekend.