“The looming victories for Republican candidates next Tuesday is not a validation of the Republican Party at all,” former Gov. Jeb Bush of Florida said in an interview. Instead, he argued, they would reflect “a repudiation of the massive overreach” by Mr. Obama and Democrats and “disgust with the political class” for its failure to cooperate and deliver results.

“It could create a middle ground,” Mr. Bush concluded. “Or it could create a dismemberment of our political parties.”…

But former Governor Bush said Republicans must make clear that their top priority is increasing employment and economic growth. In particular, he advised Republicans to seek common ground with Mr. Obama and Democrats on trade and energy policy.