FIRST ON FOX: Senate Minority Whip John Thune, R-S.D., responded to President-Elect Donald Trump's newly announced litmus test for those vying to be the next GOP leader, exclusively telling Fox News Digital that he was open to it and that "all options are on the table."Trump said on Sunday that whoever the new leader is "must agree to Recess Appointments (in the Senate!), without which we will not be able to get people confirmed in a timely manner."Recess appointments refer to the president's ability to fill federal vacancies that occur while the Senate is in recess. This power is outlined