Mystery blood clots felling U.S. troops By Mark Benjamin Investigations Editor Published 10/6/2003 12:41 PMView printer-friendly version WASHINGTON, Oct. 6 (UPI) -- Unexplained blood clots are among the reasons a number of U.S. soldiers in Operation Iraqi Freedom have died from sudden illnesses, an investigation by United Press International has found. In addition to NBC News Correspondent David Bloom, who died in April of a blood clot in his lung after collapsing south of Baghdad, the Pentagon has told families that blood clots caused two soldiers to collapse and die. At least eight other soldiers have also collapsed and died...