DETROIT — U.S. Rep. Rashida Tlaib is endorsing the campaign urging Michigan Democrats to vote “uncommitted” in the Feb. 27 presidential primary in protest of President Joe Biden’s policy in Gaza. In a video posted to social media Saturday, Tlaib said it’s important to not just march against the “genocide” in Gaza but to form a voting bloc to affect change. “Something that is a bullhorn to say enough is enough. We don’t want a country that supports wars and bombs and destruction. We want to support life. We want to stand up for every single life killed in Gaza,” Tlaib said. “This is the way you…