HAYMARKET, VA - OCTOBER 20:  Virginia State Attorney General Mark Herring (C) participates in the annual Haymarket Day parade October 20, 2018 in Haymarket, Virginia. Democratic U.S. House candidate and Virginia State Sen. Jennifer Wexton (D-33rd District) is challenging incumbent Rep. Barbara Comstock (R-VA) for the House seat that has been in Republican hands since 1981. Wexton is currently leading Comstock in most of the polls.  (Photo by Alex Wong/Getty Images)