Zak Ringelstein

Zak Ringelstein, Democratic candidate for U.S. Senate, speaks a meeting of Kennebec County Democrats, Thursday, Oct. 18, 23018, in Augusta, Maine. Ringelstein is one off two challengers from opposite ends of the political spectrum in an uphill battle to knock off Sen. Angus King, the popular incumbent in the first U.S. Senate. (AP Photo/Robert F. Bukaty)