WARSAW WREATH U.S. Defense Secretary Chuck Hagel prepares to lay a wreath at the Warsaw Ghetto in Warsaw, Poland, Jan. 31, 2014. Hagel is on a trip to Europe to meet with defense leaders and attend the 50th Munich Security Conference. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 851730-P-WZO09-869.jpg Photo Gallery