Serbian President Aleksandar Vucic trusts Russian president Vladimir Putin's intent to use nuclear weapons, dismissing those who believe otherwise as "crazy." According to the Serbian news outlet Novosti , Vucic emphasized that Putin isn't bluffing about his nuclear capabilities. "You either don't know him or are crazy," Vucic stated regarding those who doubt the Russian leader's willingness to respond with all types of weaponry if Western long-range missiles strike Russian soil. The Serbian