Trump pushes tough immigration stance in Nevada appearance

LAS VEGAS — President Donald Trump pressed his tough immigration stance at a Nevada political convention Saturday, telling hundreds "we have to be very strong" to keep people, including violent gang members, from entering the country illegally.Trump was in Las Vegas to boost the candidacy of Dean Heller, the only Republican U.S. senator seeking re-election in a state that Democrat Hillary Clinton won in 2016. Trump and Heller have papered over their once prickly relationship to present a u