n the middle of a difficult re-election campaign, Senate Banking Committee Chairman Christopher Dodd, D-Conn., on Friday was cleared by the Senate Ethics Committee from a year-long investigation about whether mortgages he obtained from Countrywide Financial Corp. violated the senate's rules on gifts. The committee, however, did scold the senior lawmaker for not being more careful in his dealings. "While the committee finds no substantial credible evidence as required by committee rules that your Countrywide mortgage violated Senate ethics rules, the committee does believe that you should have exercised more vigilance in your dealings with Countrywide in order to avoid...