The Mother Monster talks about which of the country’s big problems she’d like to solve. By Jocelyn Vena, with reporting by Sway Calloway Lady Gaga Photo: Scott Gries/ Picture Group Lady Gaga has never been shy to stump for political causes. She’s stumped for marriage equality and spoke out against “Don’t Ask, Don’t Tell.” Her Born This Way track “Americano” even touches on immigration issues, but just because she’s currently pop music’s most vocal advocate doesn’t mean she’d want anything to do with actually holding public office. During the live “MTV First: Lady Gaga” on Thursday night, the singer said that she has no aspirations to ever do something like become president, even if she was given a free pass for the day to be the leader of the free world. Watch as Gaga lets her fans announce that she’s opening the VMAs this year. “Well, first of all, I wouldn’t want to be president for the day,” she told MTV News. “And I say that because I really, for myself, it’s important that my message, although it has political implications, I like to keep myself separate. “Because politics can constrain things,” she continued. “So our message can be completely free of any politics and we can just surge forward.” Lady Gaga gave us the real story behind her “Yo