The Russian foreign ministry Wednesday said it is ‘hard to believe’ Islamic State could launch the kind of attack Moscow witnessed last week when terrorists stormed the Crocus City Hall and killed at least 140 people who were there to attend a concert by Soviet-era rock group, Piknik. Islamic State’s Khorasan wing (ISIS-K) has claimed responsibility for the attack. The group, an offshoot of the original Islamic State which once ruled parts of Syria and Iraq, is one of the most active regional affiliates of the Islamic State militant group. However, Russian foreign ministry spokeswoman Maria Zakharova said in her...