Republican Sen. Mitch McConnell has announced that he won’t seek reelection next year, ending a decadeslong tenure as a power broker who championed conservative causes but ultimately ceded ground to the fierce GOP populism of President Donald Trump.

It would be fascinating to crawl inside the head of U.S. Sen. Mitch McConnell, R-Kentucky, and explore the thoughts, fears and regrets that bounce around inside his skull. The former longtime leader of the Republican Party in the Senate has emerged in recent days as a persistent opponent and critic of President Donald Trump.

Sen. Mitch McConnell’s refusal to consider Merrick Garland’s nomination to the Supreme Court in 2016 led to the appointment of Neil Gorsuch, setting in motion a chain reaction that

The Republican Party that stood during Sen. Mitch McConnell's early years as leader is not the one in place now as he retires.

Mitch McConnell has been a senator for Kentucky since 1985. Here's what his net worth is after announcing he will not seek reelection.

A series of falls and freeze ups has raised questions about the senator’s health and criticism from his political opponents.

U.S. Sen. Mitch McConnell, the longest-serving sitting senator, has announced he will leave Congress at the end of his term. What to know.

I wonder whether Democrats would have been better off the past two decades if they had leaders as unapologetically partisan as McConnell.