<Li> Michael Myers was expelled from the House of Representatives on October 2, 1980, by a vote of 376 to 30, for his role in the Abscam scandal, becoming the first member of the House to be expelled since 1861 . Myers was convicted of bribery and conspiracy and sentenced to three years in prison in 1981 . </Li> <Li> Roland Burris (D - Illinois), due to the Rod Blagojevich corruption charges, was initially refused a seat in the Senate in 2009 . On December 30, 2008, Governor Blagojevich announced that he was naming Burris to the seat, and Illinois Secretary of State Jesse White registered the appointment in the official records of Illinois on December 31, 2008 . However, Secretary of State White declined to sign the Senate's certification form . Because of this, on January 5, 2009, Secretary of the United States Senate Nancy Erickson rejected Burris's certificate of appointment to the Senate as invalid, citing Senate Rule 2 as the reason for the rejection . Burris appeared in Washington at the January Congressional swearing - in ceremony on January 6 to claim his seat, but was denied entry into the Senate chambers . Following an Illinois Supreme Court ruling on January 9, 2009, White provided Burris with a certified copy of the appointment's registration, and Burris delivered that copy, bearing the State Seal, to the Secretary of the Senate . On January 12, 2009, after the Secretary of the Senate announced that she and Senate Parliamentarian Alan Frumin deemed Burris's new credentials valid, Senate leaders decided to seat Burris . Burris was sworn in by President of the Senate Dick Cheney on January 15, 2009 . </Li> <Li> William A. Clark (D - Montana) was elected to the U.S. Senate in 1899, but promptly met with a petition opposing his election on the grounds that it was secured through bribery . Votes were bought through real estate purchases, bank financing and outright cash purchases . The Senate Committee on Privileges and Elections found unanimously that Clark was not entitled to his seat . Clark resigned in May of 1900 before the full Senate took a vote . </Li>

What does it mean to seat a senator