SRINAGAR, India -- The massive earthquake that rocked Kashmir appears to have dealt a blow to the disputed region's Islamic militants, ripping through their heartland along the mountainous frontier and wrecking their network of camps, safe houses and weapons caches. One former militant said Tuesday that a temporary rebel cease-fire called after the quake was a "clear sign they are in trouble." But he and other one-time rebels, Western diplomats and Indian officials cautioned that any setback to the insurgents — who work in small, flexible cells — is likely to be merely temporary. And even if they can't launch...