According to a new American Research Group poll, Sen. Joe Lieberman and Ned Lamont are in a statistical tie in the race for U.S. Senate in Connecticut. Lieberman is at 44% and Lamont is at 42% among likely voters, with 3% for Alan Schlesinger and 11% undecided.Says pollster Dick Bennett: "Lieberman's slight ballot advantage is based on his more than 2-to-1 support among the 9% of likely voters saying they have favorable opinions of both Lieberman and Lamont. Lieberman and Lamont are tied at 44% each among the remaining 91% of likely voters."