A group of top former government officials on Monday launched a new organization devoted to fighting global extremism, including a program that will study the digital strategy of groups like the Islamic State of Iraq and Greater Syria (ISIS) in an...

NEW YORK — The sudden rise of the well-armed, well-financed and media-savvy Islamic State militant group could not have come about unless unscrupulous companies and individuals slipped money to the group or did business with it, said founders of a...