WASHINGTON, Jan. 4 (TNSres) -- The Department of Energy's Office of Legacy Management issued the following news: As part of LM's 20-year anniversary celebration, this is one in a series of profiles of current and former LM employees who address various aspects of the LM mission. December marked 20 years since the Department of Energy established the Office of Legacy Management to address the environmental legacy of the Manhattan Project. LM has had two decades to understand what makes post-rem  more