President Trump may say he's a defender of gun ownership rights, but with all the gun control pressure he'll be under after Las Vegas, how do we know he'll resist it — especially after the debt limit deal with Chuck Schumer and Nancy Pelosi, and his flirtation with a deal on DACA? Bottom line: Trump's allies, both inside and out of the White House, are mostly sure he'll resist because he owes too much to the NRA and its supporters — but even some of them aren't 100 percent sure. What they're saying: Since the Las Vegas shooting, we've spoken...