(Updated to reflect comments from Roberts news conference; comment from attorney general on political future; edits throughout)
After nearly 40 years, U.S. Sen. Pat Roberts will leave Capitol Hill, announcing Friday he wouldn't seek re-election in 2020.
Appearing at a news conference called Friday morning, the 82-year-old Roberts ended weeks of suspense in revealing he would not run for a fifth term in the Senate.
The announcement - held at the Department of Agriculture in Manhattan near his Kansas State alma mater - signals the end of a legislative political career that started in 1980, when he . . .