Josh Hawley once was a key ally of President Trump's in the U.S. Senate.
- But Trump and his allies have been increasingly angry with Hawley recently, miffed by some moves the Missouri Republican has made in laying the groundwork for a possible 2028 bid for president.
Why it matters: Like few other Republicans, Hawley has begun to show a willingness to break with the White House on issues ranging from abortion to presidential war powers.