Accused of pocketing $50,000 in bribes and obstructing justice, Chicago City Clerk Jim Laski resigned Monday after changing lawyers to an attorney with a reputation for negotiating plea agreements. After reviewing incriminating transcripts of secretly recorded government tapes, attorney Jeffrey Steinback said he advised Laski, 52, to give up his $135,545-a-year paycheck. The resignation, hand-delivered to Mayor Daley's chief of staff Ron Huberman, comes less than two weeks after Laski promised to stay on the job and "keep fighting" the corruption charges against him. "We discussed it, and he and I determined that it was in his best interest and...