VATICAN CITY (Reuters) – His doctors probably don’t agree but Pope Francis thinks a shot of tequila just might help his painful knee. While his popemobile stopped in St. Peter’s Square at his last general audience, a group of Mexican seminarians shouted out to him, asking how his leg was doing. “It’s being naughty,” the Argentine pope replied in Spanish. A flare up of pain in his knee and existing leg problems have forced the pope to use a wheelchair at times recently. One of seminarians then thanked the seated pope for continuing to carry out his duties despite the pain, telling the 85-year-o…