S.Koreans fearful of US troop withdrawal South Koreans involved in the local economy surrounding US military base Camp Humphreys share opinions on the upcoming US-DPRK summit, with talks between the North Korean and US leaders in Hanoi just days away, speculation is building that the pair could agree to a peace treaty -- in return for denuclearisation measures -- and that the withdrawal of US troops might follow. IMAGES AND SOUNDBITES+REFILE TO UPDATE SLUG+