A contributing editor at RNS, Jacob Lupfer is a writer and consultant in Baltimore. His website is www.jacoblupfer.com. Follow him on Twitter at @jlupf. The views expressed in this commentary do not necessarily represent those of Religion News Service.
(RNS) — Political observers seem to assume that Trump’s Christian base will follow him no matter what. But recent polls show a decent Republican alternative could peel them away from the president in the 2020 primaries.