Following President Donald Trump’s threat to veto the $900 billion COVID relief bill, Jon Karl speaks with Sen. Bernie Sanders about the latest efforts to get relief benefits to millions of Americans. Plus Jon speaks with Maryland Gov. Larry Hogan about the state of the Republican Party. U.S. Surgeon General Jerome Adams discusses the latest on the COVID-19 pandemic after heavy air travel this holiday season. And the Powerhouse Roundtable takes on President Trump’s pardons for his political allies. See it on “This Week.”