President Donald Trump is on the verge of firing Homeland Security Secretary Kristi Noem, according to sources.Advisers familiar with his thinking told the Wall Street Journal the 79-year-old president has been asking aides and congressional Republicans to identify potential replacements for the controversial DHS secretary."The final straw for Trump was Noem’s combative hearing Tuesday before the Senate Judiciary Committee, which showed bipartisan frustration with Noem’s leadership," the Journal...