KHAN YOUNIS, Gaza Strip - Palestinian policemen, who have been given the task of restraining militants, say they can't or won't do the job. Interviewed at their front-line positions, some say they feel sympathy for the gunmen, while others fear getting shot at by Israeli troops. The shortcomings of Palestinian police were evident last week when officers stood by as Hamas militants fired dozens of rockets and mortar rounds at Jewish settlements in Gaza. Officers also did nothing when gunmen broke into Gaza's central jail, killing two inmates and abducting a third who was later slain. "This is all part...