CAMP CLARK, Afghanistan — With Afghan military and police now responsible for security in their country, U.S. Army advisers from the 4th Brigade Combat Team, 101st Airborne Division are encouraging the Afghans to share information in a combined effort to fight insurgents. Connect With Us on Twitter Follow @nytimesworld for international breaking news and headlines. Twitter List: Reporters and Editors That’s no easy task in a country where security intelligence is passed by word-of-mouth rather than in written reports and military officials say there is a tendency to hold onto information rather than share it. Lt. Col. Thomas Sutton, commander of the 1st Squadron, 61st Cavalry Regiment, based…