WASHINGTON (AP) — Republican leaders made clear Tuesday that Congress will take no action on gun legislation in the wake of the massacre in Las Vegas. They refused to entertain Democratic demands to expand background checks for gun purchases and tighten restrictions on semi-automatic weapons, but also shelved their own House bill that would have loosened access to gun silencers.

"I think it's premature to be discussing legislative solutions, if there are any," Senate Majority Leader Mitch McConnell, R-Ky., told reporters after the mass shooting that killed at least 59 people and wounded hundre...