Two appearances by Rep. Alexandria Ocasio-Cortez this week have reignited criticism from conservatives as speculation continues over whether the New York Democrat could eventually seek the White House. The back-to-back moments quickly spread across social media, with critics questioning both her campaign style and her response to a question about the U.S. Senate. Ocasio-Cortez, D-N.Y., first drew attention while campaigning in Tennessee for Democratic state Rep. Justin Pearson, who is running for Congress in the state’s 9th District. Speaking at a get-out-the-vote event, Ocasio-Cortez urged supporters not to overlook traditionally Republican states. “We can’t afford to leave Tennessee behind, Kentucky...