Cracks in Republican unity between Trump and Congress are already beginning to show

Donald Trump will enter the White House this Friday facing a Republican-controlled House and Senate. Michele L. Swers looks ahead to what we might expect from President Trump and the 115th Congress, writing that while they may initially seek areas of common ground, clashes on issues like the repeal and replacement of Obamacare, foreign policy, and infrastructure spending may mean a rocky relationship lays ahead.