AvatarbenjaminIslamic State fight will go on ‘as long as it takes,’ Kerry says as nations plan strategyverified_publisherThe Globe and Mail - LARA JAKES and JOHN-THOR DAHLBURGA global fight against Islamic State militants will likely take years to fully succeed, but nations are prepared to engage "for as long as it takes" to defeat the bloody insurgency, U.S. Secretary of State John Kerry said Wednesday. Who are Islamic State? Get caught up with The Globe’s …