The New York Times reports:
Ned Lamont, a Connecticut millionaire whose candidacy for the United States Senate soared from nowhere on a fierce antiwar message, won a narrow but decisive victory tonight over the storied incumbent, Joseph I. Lieberman, in the race for the Democratic nomination.
Mr. Lieberman conceded shortly after 11 p.m. after nearly complete results showed him trailing Mr. Lamont by nearly 4 percentage points.
With 96 percent of Connecticut’s precincts reporting, Mr. Lamont held 51.9 percent of the vote, with Mr. Lieberman holding 48.1 percent.