SAN DIEGO (AP) — A Trump administration crackdown on nonessential travel coming from Mexico amid the coronavirus pandemic has created massive bottlenecks at the border, with drivers reporting waits of up to 10 hours to get into the U.S.SAN DIEGO (AP) — A Trump administration crackdown on nonessential travel coming from Mexico amid the coronavirus pandemic has created massive bottlenecks at the border, with drivers reporting waits of up to 10 hours to get into the U.S.