Former Vice President Joe Biden, mulling a possible 2020 presidential run, ripped into the Trump administration’s immigration policies on Friday -- calling them “one of the darkest moments in our history” at a rally held by a Latino civil rights organization. Biden made his fiery remarks in Phoenix, Arizona, at an event for the League of United Latin American Citizens (LULAC). He specifically targeted the Justice Department’s “zero tolerance” policy on prosecuting all illegal border crossers. “Grotesque lies, lies about immigrants, about crime, about costs to the community,” said Biden. “This administration’s policies that literally rip babies from the arms...