Donald Trump on Monday addressed a question that’s been on many people’s minds ever since the president’s spectacular blow-out with former so-called “First Buddy” Elon Musk last week. Namely, what will happen to the red Tesla model S that Trump bought during a White House event in March to promote Musk’s electric vehicle brand amid backlash to the billionaire’s now-ended role leading the public spending-slashing,

House Speaker Mike Johnson (R-Louisiana), however, pointed to a different possible motive for the tech billionaire’s dissatisfaction with the bill: It “has an effect on his business,” the speaker sai...