Vice President Joseph R. Biden Jr. makes a phone call from an Acela train at Union Station in Washington. (AP File Photo/Evan Vucci)
Washington Capitals goalie Braden Holtby, left, makes a save against Carolina Hurricanes center Riley Nash, right, as defenseman Mike Green looks on during the first period of an NHL hockey game on Thursday, April 11, 2013, in Washington. (AP Photo/Evan Vucci)
Washington Capitals center Nicklas Backstrom, right, celebrates a goal by teammate Troy Brouwer, center, as Carolina Hurricanes defenseman Tim Gleason skates off during the second period of an NHL hockey game on Thursday, April 11, 2013, in Washington. (AP Photo/Evan Vucci)
Carolina Hurricanes center Jeff Skinner (53) chases after Washington Capitals defenseman Mike Green (52) during the first period of an NHL hockey game on Thursday, April 11, 2013, in Washington. (AP Photo/Evan Vucci)
Carolina Hurricanes goalie Justin Peters, right, is beaten for a goal by Washington Capitals defenseman Mike Green during the second period of an NHL hockey game on Thursday, April 11, 2013, in Washington. (AP Photo/Evan Vucci)
Washington Nationals' Jayson Werth in action during the sixth inning of an exhibition spring training baseball game against the Atlanta Braves on Monday, March 11, 2013, in Viera, Fla. (AP Photo/Evan Vucci)
Washington Nationals GM Mike Rizzo talks on the phone before the start of an exhibition spring training baseball game against the Atlanta Braves on Wednesday, March 27, 2013, in Viera, Fla. (AP Photo/Evan Vucci)
Washington Nationals outfielders Denard Span, left, and Bryce Harper run to the dugout during the fourth inning of an exhibition spring training baseball game against the Houston Astros on Thursday, March 14, 2013, in Viera, Fla. (AP Photo/Evan Vucci)
Washington Nationals GM Mike Rizzo talks on the phone before the start of an exhibition spring training baseball game against the Atlanta Braves on Wednesday, March 27, 2013, in Viera, Fla. (AP Photo/Evan Vucci)
