Senator Mitch McConnell has declared he will not run for reelection next year, concluding a distinguished 40-year tenure in Congress, during which he became the longest-serving Senate party leader in U.S. history. Speaking on his 83rd birthday from the Senate floor, McConnell expressed gratitude for the seven terms his constituents in Kentucky entrusted him with, describing the opportunity to represent them as a profound honor.
A figure known for reshaping the modern Senate, McConnell stepped back from his leadership role last year following health-related inquiries. He experienced two instances during news conferences in July and August 2024 when he seemed temporary unable to speak. In March 2023, McConnell suffered a fall at a D.C. hotel and spent five days hospitalized as a result.
McConnell’s enduring legacy lies in his efforts to transform the federal judiciary, which pushed the courts towards a conservative tilt expected to influence future decisions. Despite strained relations with President Trump and questions about his commitment to conservative causes, this move cemented his status among conservatives. His political journey began with a 1984 Senate election victory, after which he steadily climbed the ranks to majority leader, a goal he pursued with tenacity.
McConnell strategically leveraged his position, notably during the Obama administration, when he worked tirelessly to block Democratic legislative successes. His opposition to the Obama presidency was well-documented, expressing a desire to see Obama serve only one term. However, it was his maneuvers involving the judiciary that defined his Senate legacy most distinctly.
In 2013, Democratic Senate Majority Leader Harry Reid invoked a rules change that allowed easier confirmation of lower court nominees, excluding the Supreme Court. McConnell presciently warned Democrats of future regret, which manifested three years later following Justice Antonin Scalia’s death. McConnell led a campaign to keep the seat vacant until the 2016 presidential election, successfully preventing President Obama’s nominee Merrick Garland from having a hearing. McConnell later described this decision as his most consequential action.
Anticipating a Hillary Clinton victory, McConnell’s stance on judicial appointments unexpectedly aided Donald Trump’s bid for the presidency by galvanizing conservative voters concerned about Supreme Court appointments. Following Trump’s win, McConnell facilitated the confirmation of three conservative Supreme Court justices, further securing a conservative majority on the bench.
Despite tensions, McConnell played a crucial role in advancing Trump’s agenda through Senate confirmations. Their relationship frayed further during Trump’s attempts to modify legislative filibuster rules, a strategy McConnell resisted. The aftermath of the January 6th, 2021 Capitol riot further distanced McConnell from Trump, although he later endorsed Trump’s 2024 presidential bid. McConnell opposed some of Trump’s cabinet nominees in the second term, notably Robert F. Kennedy Jr., citing concerns over public health narratives.
On the Senate floor, McConnell emphasized the gravity of the Senate’s role in judicial appointments and warned against neglecting this duty. He also highlighted national defense as a critical focus, hinting at work yet to be completed.
Following McConnell’s announcement, Kentucky Attorney General Daniel Cameron and Representative Andy Barr expressed interest in running for the soon-to-be-vacant Senate seat. Given Trump’s strong win in Kentucky during the last election, the Republican primary victor is expected to be the favored candidate.