Sen. Robert Byrd (D-W.Va.) will become the most senior member of Congress next month when ageless Sen. Strom Thurmond (R-S.C.) retires, and he’s not shy about telling the world. Byrd, who will have been in Congress 50 years come Jan. 3, made that point during an impassioned floor speech against the proposed Department of Homeland Security, which he called the most “monstrous piece of legislation” he’d seen sent to the Senate. “God help me to reach that date of Jan. 3, 2003, the year of our Lord,” he declared. “… I have been on this Hill longer than anybody else...