Because he successfully ran out the clock against perhaps the most intense media push for gun control I have seen.
If the Democrats had kept up the push, they might have got something passed. Many Republicans had gone very squishy.
But President Trump kept saying he was studying and considering, etc.
Then the insane Democrat base pushed Pelosi into the "impeach" fiasco, and President Trump said that killed gun control.
“.. that killed gun control. ...”
Well, stalled it, at any rate. They won’t back off, ever.
So we can’t either.