Robert S. Mueller III

Witcover: Reading midterm tea leaves

Witcover: Reading midterm tea leaves

Democrats who were looking to last Tuesday's mixed bag of special and primary elections for firm confirmation of their much-sought "blue wave" of public Donald Trump rejection had to settle for an interim “maybe.”

Perhaps the best they had to show for it was a very near miss in a congressional district in Ohio that Mr. Trump had won by 11 points in 2016. The Republican who supported him was narrowly ahead and declared victory, although the race ended too close to call.

The expected big Democratic turnout did materialize, but maybe not to the degree or result the party hoped for, to signal the beginning of the end of the Trump era. If the Democrats learned anything...