Kentucky Democrats to learn party's pick to take on Republican Mitch McConnell

Kentucky voters will learn on Tuesday which Democrat will challenge Republican Senate Majority Leader Mitch McConnell in November: Black progressive Charles Booker, or establishment favorite Amy McGrath.

Preliminary results from the June 23 primary showed a too-close-to-call contest, and election officials had to wait until Saturday to receive all ballots cast by mail due to the coronavirus. State officials said they would not release the complete results until Tuesday evening.

McGrath, a former combat pilot who was endorsed by Senate Democratic leader Chuck Schumer and raised $41 million in campaign...