Democrat Amy McGrath officially files to challenge Senate Majority Leader Mitch McConnell in what looms as a bruising, big-spending campaign next year in Kentucky.

Democrat Amy McGrath officially files to challenge Senate Majority Leader Mitch McConnell in what looms as a bruising, big-spending campaign next year in Kentucky. https://t.co/rpYqkFAh1r

— The Associated Press (@AP) December 27, 2019