Democrats are trying to take out their own in the race for Illinois’ 3rd Congressional District…all because he’s not progressive enough by the party’s standards. According to a report in Politico, Lipinski is up for one of the toughest political fights of his life against the much more leftist candidate Marie Newman, a former marketing consultant and businesswoman, who’s nabbed endorsements from Democratic Sen. Kirsten Gillibrand, Gloria Steinem, Democracy for America, MoveOn.org, NARAL, Human Rights Campaign, and Progressive Campaign Committee. “Dan Lipinski has a real, formidable challenger like he’s never had before. The environment is different. ... The energy is...