There’s more than 40 miles that separate Baltimore from Washington. In Washington, Elizabeth Warren has undergone some merciless grilling by members of Congress about the new Consumer Financial Protection Bureau she is setting up. But in Baltimore, speaking at Rep. Elijah E. Cummings’ town hall meeting tonight, Warren received rock star treatment. In fact, she was called a “rock star” a few times and received two standing ovations in the overcrowded auditorium.