By Tzvi Machlin It wouldn’t be a proper Winter Olympics without some controversy and this year’s games is offering plenty of it. And if there’s one person who knows a thing or two about Olympic controversy and isn’t afraid to weigh in, it’s Sha’Carri Richardson. Over the weekend, the Court of Arbitration for Sport allowed 15-year-old Russian figure skater Kamila Valieva to continue competing in the Olympics. Valieva tested positive for a banned drug less than two months ago. This morning, Richardson weighed in, wondering why Valieva was allowed to compete when she wasn’t. Richardson chalked up…