Vulnerable Dems McCaskill, Sinema to attend fundraiser thrown by donor who called Trump supporters 'traitors,' 'low IQ'

Vulnerable red-state Democrats vying for U.S. Senate seats will be attending a $2,000-per-guest fundraiser hosted by a prominent Democratic donor who called President Trump supporters “traitors,” implied conservative ideas were “low IQ” and suggested members of the GOP were members of the KKK.