Former Vice President Mike Pence wants to be a “constructive force for the conservative agenda” during President Trump’s second term because he is one of the few Republicans who is ready to formally challenge Trump.

He's delivering speeches urging the president to stand with longstanding foreign allies and lobbying members of Congress while aides write letters and opinion columns.This weekend, he posted an article he penned more than a decade ago on the limits of presidential power after Trump claimed that,