2014, the date for complete troop withdrawal. 1 in 50 u.s. troops on the front lines in afghanistan is a rob robot. the marine corps top robot handler says there are now 2,000 ground bots fighting alongside men in uniform. while robotd technology has gone beyond the bomb disposal units there is some limitations. ground bots are restricted to missions where they can be closely monitored by humans. the country's newest medal of honor salvador guinta is leaving the army and plans to move to colorado in june with his wife to continue his education. he served two tours in afghanistan and the only living medal of honor recipient from the wars in iraq and afghanistan. it is a stunning change in the way we treat breast cancer. there's a new study out that says women with early stage breast cancer do not need surgery to remove lymph nodes from their armpits. this of course this could be a