Support WBURWill More U.S. Troops Boost Afghanistan Violence?Play04:41Download AudioSoraya Sarhaddi NelsonMay 05, 2009 SharePolice officer Muhammad Yussef stands watch above the city of Kandahar in April. Many in Kandahar want to see a larger Afghan police force to counter deteriorating security in the region. (Holly Pickett/Atlas Press for NPR)