Rep. Beto O'Rourke didn't go quietly to defeat.
Thanking his campaign supporters for their spirited challenge to Sen. Ted Cruz, he said on live television Tuesday: "All of you, showing the country how you do this. I'm so f---ing proud of you guys."
The Texas Democrat has been known to drop f-bombs in public throughout the fierce campaign. But this time, he was broadcast on MSNBC, prompting anchor Brian Williams to apologize as the network cut away from the speech.
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Cruz held off the Democratic rising star to win re-election. O'Rourke attracted a national following, shattered fundraising records and picked up several celebrity endorsements, including Beyonce posting pictures of herself Tuesday on Instagram wearing a Beto baseball cap.