Dems Poised To Pick Another Far-Leftist To Replace Platner. Former Maine Senate President Troy Jackson has all but secured the Democratic nomination after dominating the party's delegate selection process. Jackson's emergence represents a continuation of many of the themes that powered Platner's campaign - Left-wing populism focused on working-class voters, Medicare for All, and confronting corporate power. Dems Poised To Pick Another Far-Leftist To Replace Platner. Dems Poised To Pick Another Far-Leftist To Replace Platner. Jackson emerged as the presumptive nominee. Dems Poised To Pick Another Far-Leftist To Replace Platner. far-leftist