Meet the Press NOW — July 15

[Music] If it's Tuesday, President Trump hits battleground Pennsylvania, touting new investments in artificial intelligence as the White House and congressional Republicans look to drum up support for Trump's sweeping domestic agenda. Plus, the fight for the future of the Democratic Party playing out in Arizona and New York City, where voters are set to choose between younger candidates calling for generational change and those with more experience and name ID. And inside the renewed bipartisan push to pass ...