Israel has delivered 16 Cobra helicopter gunships to Jordan to help the Hashemite kingdom deal with the threat of Islamic State (ISIS) which currently control large areas along its borders with Syria and Iraq. The transfer provided at no cost was kept in secret since last year but was recently leaked by an unnamed U.S. official and published by Reuters. Jordanian and Israeli officials declined comment, as did the Pentagon. The handover of helicopters was approved by Washington, after blocking an earlier Israeli plan to sell the surplus helicopters to Nigeria, which is also battling Islamic insurgents in Central Africa....