It was the justices' second intervention this week, overriding a federal judge and halting a Republican plan that would have erased a Kansas City Democratic seat.
The promise, made at the GOP's midterm convention in Dallas, would cost roughly $1.2 trillion and has drawn doubts from fiscal conservatives in his own party.
McKee is the first sitting governor in eight years to lose a primary, after a race dominated by the delayed Washington Bridge repairs. Providence also ousted its mayor.
Former Sen. John E. Sununu beat Scott Brown for the Republican nod, while Jeanne Shaheen's daughter narrowly won a House primary to replace Pappas.
The 80-year-old incumbent turned a contest about age into one about record, beating a younger congressman by a comfortable margin.
The revision reaches every agency under the department, including the Census Bureau, NOAA and the office that compiles GDP.
