Ken Buck
The former Colorado representative knocked Greene for "acting completely irresponsibly" with her talk on Ukraine.
The recently retired House Republican also ripped his former colleague for focusing on her social media profile.
The former president went after at least one GOP House member in a short but nasty Truth Social note.
Audio depicts the recently retired House Republican taking a swipe at Boebert during a local Rotary Club meeting.
WHAT'S HAPPENING
The Colorado Republican’s independent streak apparently upset his far-right colleagues.
Lauren Boebert is one candidate in a mad scramble to succeed Buck in Colorado's fourth district.
Rep. Ken Buck (R-Colo.), who’s refused to go along with the party’s more hardline leanings, says he will leave Congress in a week.
Rep. Ken Buck listed several moments of the president's alleged confusion to support his House resolution.
The Colorado Republican's position presents a significant obstacle to impeaching the Homeland Security secretary.
The Republican is shifting congressional districts to a more conservative seat on the opposite side of the state to improve her chances of staying in office.