The divide between Republican Senate leader Mitch McConnell and former President Donald Trump, seen here in the Oval Office in July 2020, is a symptom of something that’s been brewing since long before the Trump era.

WASHINGTON, DC – JULY 20: Senate Majority Leader Mitch McConnell (R-KY) (L) listens to U.S. President Donald Trump talks to reporters while hosting Republican congressional leaders and members of Trump’s cabinet in the Oval Office at the White House July 20, 2020 in Washington, DC. Trump and the congressional leaders talked about a proposed new round of financial stimulus to help the economy during the ongoing global coronavirus pandemic. (Photo by Doug Mills-Pool/Getty Images)