April 12, 2012 (18 images)

Miami Heat center Ronny Turiaf (L-R) and Chicago Bulls forward Taj Gibson and guard Ronnie Brewer go for a rebound during the first quarter at the United Center on April 12, 2012 in Chicago. UPI/Brian Kersey

Washington Capitals forward Alex Ovechkin (8) and Boston Bruins defenseman Dennis Seidenberg (44) collide in the second period of game one of the NHL Eastern Conference Quarterfinal at TD Garden in Boston, Massachusetts on April 12, 2012. UPI/Matthew Healey

Washington Nationals Ryan Zimmerman (R) is congratulated by teammates after scoring the winning run in the bottom of the 10th inning on a wide pitch by Alfredo Simon of the Cincinnati Reds at Nationals Park on April 12, 2012 in Washington, DC. The Nationals won 3-2. UPI/Pat Benic

Secretary of State Hillary Clinton delivers remarks at the Conference on Connecting the Americas in the Eisenhower Executive Office Building in Washington, D.C. on April 12, 2012. The conference focused on expanding trade between the Americas in Advance of President Obama's Participation in 6th Summit of the Americas. UPI/Kevin Dietsch