Mark Walker is on the music faculty advisory board at Liberty University. He represents North Carolina’s 6th congressional district. He will not be running for reelection in 2020. If he did run, he would probably lose due to redistricting. He may have his eye on a Senate seat. Walker is a graduate of Piedmont Baptist College (formerly Piedmont Bible College) and is an ordained Southern Baptist minister who has been involved in music ministry.
Notice how Walker tries to thread the needle here. He wants Falwell Jr. to resign, but he is strongly pro-Trump. He doesn’t like Falwell’s vulgarity, but he is happy to tolerate it in the president. I think this gets to the heart of the matter for many pro-Trump evangelicals. They will not tolerate immorality in their schools or churches, but they are fine with it in the White House as long as the president is delivering on their policy agenda. This seems like a distorted “Two Kingdoms” view of church-state relations.
Here is a piece at Politico.