Washington will not share intelligence data on Islamic State positions in Syria and will not accept Moscow's offer to cooperate on rooting out terrorism until Moscow changes its position on Syrian President Bashar Assad's future, the Pentagon said. Ever since the start of the Russian campaign in Syria in late September, Moscow has been offering to share information with the US-led coalition against Islamic State (IS, formerly ISIS/ISIL), urging Washington to reciprocate. After months of extensive diplomatic efforts by the Russian Ministry of Foreign Affairs, Ministry of Defense, and the Kremlin, the Pentagon is still refusing to enter the proposed...