As she heads to the end of her second term in Congress, Rep. Marjorie Taylor Greene (R-GA) appears to have reached a crossroads where she needs to decide if she wants to be an effective lawmaker or continue down the path to irrelevance. According to New York Times opinion writer Michelle Cottle, the controversial Georgia Republican has alienated both mainstream Republicans as well as the MAGA wing of the party to the point where it is difficult to find anyone in Congress who will defend her. Taylor Greene’s attempt to plunge the House GOP caucus by ousting House Speaker Mike Johnson (R-LA) wen…