SIGNS OF DEMOCRATIC LIFE Fri Nov 22, 8:01 PM ET By Mary McGrory WASHINGTON -- He is called "the Hammer." She's a velvet hammer. He is Tom DeLay, the newly elected House majority leader, who is all coercion and threat. She is Nancy Pelosi of California, who is all persuasion and smiles. DeLay was unopposed. Pelosi was opposed, fitfully and futilely, by a series of Democrats who seemed to be seeking the ink and airtime that hopeless aspirants can sometimes wring from a contest that was over before it began. Pelosi spent 34 months seeking the whip's job and prepared...