G.O.P. Feuding and Chaos Endanger the Party’s Chances in Michigan

PONTIAC, Mich. — “Dear Mr. President,” the letter began.

Donald J. Trump’s estranged former education secretary, Betsy DeVos — last seen trying to remove him from office using the 25th Amendment after the Capitol riot — took pen in hand the other day to plead with him to put an end to Michigan’s no-holds-barred Republican infighting and side with her powerful political family’s choice for governor.

“I hear that some have…