Manhattan Borough President Brad Hoylman-Sigal, the New York City leftist Democrat now pushing to ban Newsmax from taxicab screens, has spent years embracing some of the most aggressive and controversial positions on the political left. From likening President Donald Trump's supporters to Nazis to backing socialist candidates, defying federal immigration enforcement, and demanding sweeping gun, law enforcement, and climate restrictions, Hoylman-Sigal's record offers a clear window into the ideology behind his latest censorship push. Hoylman-Sigal, 60, on Jan. 21 sent a letter to New York City Mayor Zohran Mamdani and Taxi and Limousine Commissioner Midori Valdivia demanding that cabs should...