"Dennis Hastert remains the longest serving Republican speaker in history, from January 6, 1999, to January 3, 2007. However, the GOP lost its majority in the House of Representatives, leaving Democrat Nancy Pelosi to become speaker. On Thursday, May 28, <a href=""http://www.cnn.com/2015/05/28/politics/dennis-hastert-indictment/index.html"">Hastert was accused in an indictment</a> of lying to the FBI and evading currency reporting requirements as he sought to pay off a subject to ""cover up past misconduct."" On Thursday, October 28, <a href=""http://www.cnn.com/2015/10/15/politics/dennis-hastert-plea-deal/index.html"" target=""_blank"">Hastert </a>pleaded guilty in the case."