Christine Cegelis will not endorse Tammy Duckworth, the winner in Illinois’s 6th Congressional District Democratic primary, because she has reservations about Duckworth’s positions on universal healthcare and free trade, a source close to Cegelis’s campaign said. Duckworth, a wounded veteran of the Iraq war, defeated Cegelis by 3 percentage points in last week’s hotly contested primary. Cegelis, a liberal Democrat, won 44 percent of the vote against Rep. Henry Hyde (R-Ill.) in 2004. On Saturday, Illinois Democrats held a unity breakfast attended by Duckworth, party officials and Cegelis supporters who vowed to help Duckworth. Cegelis did not attend. Duckworth had...