McCaskill zings GOP senator over car incident

Sen. Claire McCaskillClaire Conner McCaskillSenate Dems build huge cash edge in battlegrounds Senate Dems lock in million in TV airtime Why does Congress keep playing political games on FBI oversight? MORE (D-Mo.) gave Sen. Cory GardnerCory Scott GardnerSenate weighs new Russia response amid Trump backlash Senate adds members to pro-NATO group Senators urge DOJ to probe whether Russians posed as Islamic extremist hackers to harass US military families MORE (R-Colo.) an earful after his car apparently almost hit her outside the Capitol building on Tuesday. 

"Probably the only shot you've got to take me out!" she yelled at the driver of the golden sedan, which NBC News's Kasie Hunt identified as belonging to Gardner.

Gardner heads the National Republican Senatorial Committee (NRSC), the Republican party's campaign arm for the Senate, which is backing GOP challengers in Missouri against McCaskill. 

The NRSC is backing Josh Hawley, Missouri's attorney general fighting for the party's nomination in the race to unseat McCaskill in 2018, and has released a series of vicious attack ads against the two-term Democratic senator.