Senator Joe Lieberman (I) from Connecticut is acknowledged at the gala banquet of the American Israel Public Affairs Committee annual policy conference in Washington on Mar. 22, 2010. Lieberman announced on Jan. 19 that he will not run for reelection in 2012. Jonathan Ernst/Reuters/File
Sen. Joseph Lieberman talks to the crew of the USS Theodore Roosevelt on Jan. 9, 2002, after he and eight other senators toured the ship as it sailed in the Arabian Sea in support of the military campaign in Afghanistan. The helmet in the foreground is from a New York City firefighter. J. Pat Carter/AP/File
Afghanistan's interim leader Hamid Karzai (r.) greets US Senator and former Democratic vice presidential candidate Joe Lieberman at the Bagram airbase some 30 miles from Kabul on Jan. 7, 2002. Nine US senators arrived at Bagram and met with Karzai and several members of the new interim administration. Reuters/File
Democratic presidential candidate Joe Lieberman sits with students at Concord High School in Concord, NH, on Dec. 10, 2003 before talking with them about integrity in government. Andy Nelson/ The Christian Science Monitor/File
Sen. Joe Lieberman tests an Energy Star clothes dryer while on a tour of energy-efficient innovations for the home at Connecticut Light and Power's Smart Living Center on May 21, 2001, in Newington, Conn. Lieberman made remarks on energy conservation issues before taking the tour. Dave Zajac/The Herald/AP
Democratic party Vice Presidential nominee Joe Lieberman blows a kiss to delegates after giving his speech to the gathering in the Staples Center in Los Angeles, on Aug. 16, 2000. Andy Nelson / The Christian Science Monitor/FIle
New York Senate candidate Hillary Clinton, and Democratic vice presidential candidate Joe Lieberman acknowledge the cheers of support as Presidential candidate Al Gore (l.) works the stage after arriving for a rally of Service Employees International Union members in New York on Oct. 19, 2000. Andy Nelson/ The Christian Science Monitor/File
Democratic vice presidential nominee Sen. Joe Lieberman is just another face in the crowd as he listens to Sen. Edward M. Kennedy deliver his speech at the Democratic National Convention in Los Angeles on Aug. 15, 2000. Andy Nelson/The Christian Science Monitor/File
Democratic party presidential nominee Vice President Al Gore celebrates with running mate Joe Lieberman after Gore's acceptance speech at the Staples Center at the Democratic National Convention in Los Angeles on Aug. 17, 2000. Andy Nelson / The Christian Science Monitor/File
Democratic presdiential nominee Vice President Al Gore and running mate Sen. Joe Lieberman salute the crowd after Gore's acceptance speech at the Democratic National Convention in Los Angeles on Aug. 17, 2000. Andy Nelson/The Christian Science Monitor/File
Republican vice-presidential candidate, Gov. Sarah Palin (r.) gets a hug from Sen. Joe Lieberman before a campaign speech on Oct. 6, 2008 in Clearwater, Fla. Chris O'Meara/AP/File
Supreme Court nominee John Roberts (l.) meets with Sen. Joe Lieberman in his office on Capitol Hill on July 25, 2005, in Washington. Manuel Balce Ceneta/AP/File
At a break in the action, (l.-r.) Massachusetts Senator Ted Kennedy, Connecticut Senator Joe Lieberman and Connecticut Senator Christopher Dodd have a conversation at the Base Realignment and Closure Commission hearings, held at the Boston Convention and Exhibition Center on July 10, 2005. Congressional delegations from the region outlined their opposition to the closure of military bases in their states. John Nordell / The Christian Science Monitor/File
Those who filed by ranged from committed opposition activists to ordinary citizens young and old.
ByLaura Mills, Associated Press
One by one, thousands of mourners and dignitaries filed past the white-lined coffin of slain Kremlin critic Boris Nemtsov on Tuesday, many offering flowers as they paid their last respects to one of the most prominent figures of Russia's beleaguered opposition.