Oct. 22: FBI is investigating wiretapping charges
Oct. 6: Cook seeks to set record straight on HolwegSept. 29: Orton adds weight to Cook suspicions
Sept. 24: Cook says he won't drop out of race
Sept. 3: Cook seeks FBI probe of blackmail rumors
Aug. 31: GOP foes blamed for Cook rumors
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Aug. 13: Provoan says she won't seek re-election
Jan. 30: Cook's job-performance rating takes a serious tumble in poll
Jan. 7: U.S. attorney won't pursue wiretap case
Jan. 5: Cook aims for fresh start