GOP Sen. Kennedy says Dem witness triggers his ‘gag reflex’ Sen. John Kennedy, R-La., slammed a Democratic witness at the Senate Budget Committee on Tuesday, saying he triggered his "gag reflex." NEW You can now listen to Fox News articles! David Bier, a Democrat-called witness at a Senate Budget Committee hearing Tuesday, drew a sharp rebuke from GOP Sen. John Kennedy of Louisiana after accusing the Trump administration of attempting a "population purge" in the U.S. Earlier in the hearing,