As the midterm elections approach, Democratic National Committee Chairman Tom Perez is hoping his party can apply the lessons of the 2016 presidential election without endlessly ruminating over the outcome.
To the many Democrats still reeling from the election of Republican Donald J. Trump, Perez says, in effect, to snap out of it.
“Go vote!” he exhorts.
But his job is more complicated than encouraging brooding Democrats to go to the polls. In an interview, the 56-year-old former Maryland and U.S. labor secretary said he needs to make sure that progressives feel welcome in the party, that African-American voters aren’t taken for granted, and that the memory of 2016...