This post from DCist contributor Matt Cordell Although BLT Steak just moved into town (“BLT” is not bacon, lettuce, and tomato, but Bistro Laurent Tourondel as in New York City’s BLT Steak, BLT Prime, BLT Fish, and BLT Burger), it has already masterfully affected one of D.C.’s core stereotypes: the clubby lobbyist haunt. Here, in a scene of dark wood and suede, pricey food comes heavy, dull, and fast, but without any serious missteps. As…