It’s the humbling relatability of Michael Black Wolf’s opener that gets the chuckle, even from his opponents, at Democratic forums for Montana’s U.S. Senate candidates. “I am just an everyday Montanan like everybody else you know,” the Gros Ventre tribal member says. “My truck is parked right across the street. My check engine light is on.” The same might be said about the dashboard lights of Black Wolf’s party, which seems ill-prepared for jus…