Committee members continued the investigation into campaign fund-raising abuses in the past election. Mr. Tamraz testified about his donations to the Democratic National Committee as a way to gain access to the president and other senior officials to push a pipeline project in central Asia. Mr. Simpson and Mr. Carter testified about their knowledge of Mr. Tamraz’s project and his contributions and denied that they tried to influence Shelia Heslin on behalf of Mr. Tamraz. They also gave contradictory accounts about a conversation they had about Mr. Tamraz.