Vince Gill did something on Sunday that not many country singers are willing to do: he courted controversy. Prior to a concert in Kansas City, Missouri, Gill confronted protesters from the Westboro Baptist Church of Topeka, Kansas, who were picketing outside his concert to protest his divorce and remarriage, which they hold to be nothing more than a form of adultery. The church, which is nonaffiliated, has also protested against gays and Jews and at the funerals of U.S. soldiers killed in combat, in the belief that God is punishing the nation for its immorality. At Kansas City’s Kauffman Center...