An Iranian flag fluttering at an undisclosed location in the Islamic republic next to a surface-to-surface Qiam-1 (Rising) missile. AFP via Getty Images The Issue: Warnings that Iran had been close to developing weapons-grade enriched uranium. Why is it so difficult to understand just how dangerous Iran would be if it had a nuclear weapon ( “Dropping ‘A’ bomb,” May 14)? Just look at what Iran has been doing without a nuclear weapon so far: closing international waterways, executing its own citizens, encouraging genocide against the Jewish people, fomenting a climate of hate against America. And it’s chosen covert and overt warfare to reasonable diplomacy. Can you envision an Iran with a nuclear arsenal? Joel Glazer Elizabeth, NJ President Trump is now trapped between escalating the Iran War or prolonging negotiation.…