Vicki L. Iseman charged that an article The Times published in February had falsely created an impression that she had engaged in an improper romantic relationship with the senator.

In the first such step by a major medical center, the clinic says it has begun publicly disclosing the business relationships its staff has with drug makers.

Dr. Frederick K. Goodwin, a psychiatrist, earned income from drug makers that he didn’t report on his show.

Barack Obama campaign’s approach to reject public financing may offer the only realistic possibility of limiting the corrupting influence of money in politics.