EXCLUSIVE — Former President Donald Trump is unhappy with Rep. Mo Brooks, the Republican he endorsed for Senate in Alabama, and is mulling a switch to primary rivals Katie Britt or Mike Durant.

“Mo Brooks is disappointing,” Trump told the Washington Examiner Tuesday evening during a wide-ranging telephone interview from Mar-a-Lago, his private social club and political headquarters in Palm Beach, Florida. “I’m determining right now, has Mo Brooks — has he changed?”