Meet the Press NOW — July 15

President Trump travels to battleground Pennsylvania to tout new investments in artificial intelligence while also trying to drum up support for his sweeping domestic agenda. Rep. María Elvira Salazar (R-Fla.) joins Meet the Press NOW to discuss the Dignity Act, a new bipartisan legislation she co-sponsored with Rep. Veronica Escobar (D-Texas) that would allow some undocumented immigrants to apply for legal status. NBC News Correspondent Vaughn Hillyard is on the ground in Tucson, Arizona ahead of a special election primary to fill the seat of late Congressman Raúl Grijalva.