Congress may have just given DHS a last-minute lifeline, but back in the imaginary world of House of Cards, there would be no resolution. Perhaps there was no better venue to kick off Season 3 than at the sparkling new Grand Trunk on Indiana Ave NW. The glitzy 24-hour eatery with its gold decor, alligator-embossed leather seats, replete with 70-something TVs displaying Spacey’s …