The four hostages known to have been beheaded earlier this year by the Islamic State militant group in Syria suffered severe physical torture before their deaths, according to a published report. The New York Times says that hostages were severely beaten, starved, underwent mock executions, and were even waterboarded by their captors. The paper reports that the American and British hostages, including beheaded journalists James Foley and Steven Sotloff and aid workers David Haines and Alan Henning were singled out for the worst torture, largely because Washington and London have refused to pay the ransoms provided by other Western governments....