POLITICS WASHINGTON — President Donald Trump ramped up his efforts to make the case for a wall along the southern border during a primetime Oval Office address Tuesday evening. President Trump delivers Oval Office address on shutdown Trump: There is a 'humanitarian' crisis at US-Mexico border RELATED STORY: President Trump to Address Nation About Border Security Tuesday He declared there was a "growing humanitarian and security crisis" at the U.S.-Mexico border due to undocumented...