Axl vs. Mnuchin Guns N' Roses frontman Axl Rose has gotten into a Twitter spat with Treasury Secretary Steven Mnuchin. After the hard-rock star tweeted that Mnuchin was "officially an a**hole" (his specific reason for doing so was unclear), Mnuchin retorted with: "What have you done for the country lately?" It's a mark of how weird politics has become that this exchange seems only mildly remarkable. CNBC