If you’re looking for an entertaining (and appetizing) respite to the inevitable Inauguration hoopla we’ll be dealing with next week, DCist suggests venturing down to Northern Virginia to see culinary hero Alton Brown sign copies of his new book “I’m Just Here for More Food”. Brown, host of Food Network’s Good Eats, will be signing copies at Barnes & Noble in Arlington at noon Tuesday and at Borders in Tysons Corner at 7:30 p.m. For…