The animated comedy “South Park” is no stranger to taking on hot topics and pop culture figures in its streaming specials. After targeting cryptocurrency and artificial intelligence in recent years, the series now tackles weight-loss drugs. What Happened: “South Park” has tackled many trending topics and its seventh streaming special will tackle one of the top items over the last year. “South Park: The End of Obesity” premieres on May 24 in the U.S. and Canada and several other countries on May 25. The special will stream on Paramount+, a unit of Paramount Global (NASDAQ:PARA)(NASDAQ:PARAA). T…