President Trump has repeatedly told lawmakers and aides in private conversations that he is open to endorsing extensive background checks in the wake of two mass shootings, prompting a warning from the National Rifle Association and concerns among White House aides, according to lawmakers and administration officials…

NRA chief executive Wayne LaPierre spoke with Trump on Tuesday after the president expressed support for a background check bill and told him it would not be popular among Trump’s supporters, according to officials who spoke on the condition of anonymity to freely discuss internal talks. LaPierre also argued against the bill’s merits, the officials said…

Advisers to Senate Majority Leader Mitch McConnell (R-Ky.) said he would not bring any gun-control legislation to the floor without widespread Republican support. Trump has waffled, current and past White House officials say, between wanting to do more and growing concerned that doing so could prompt a revolt from his political base. Even some supporters of the Manchin-Toomey bill, which would expand background checks to nearly all firearm sales, say it is unlikely to pass.