By Nick Corasaniti The race in Kentucky to succeed Senator Mitch McConnell, an omnipresent force in Republican politics for 40 years, is shaping up to be one of the biggest and most expensive G.O ...

A critical Kentucky seat in the U.S. Senate will soon have a new face after former GOP leader Mitch McConnell announced his retirement in February, and Republican hopefuls appear to be gearing up ...