PEACEMAKING becomes increasingly difficult when belligerents continue to resort to threats, bullying and insults. Where the US-Iran peace process is concerned, President Donald Trump’s routinely irrational public comments serve to complicate matters, and may even scuttle behind-the-scenes efforts to arrive at an agreement. After the American and Iranian delegations left Islamabad on Sunday without a deal — the probability of agreeing on a solution to a complicated dispute in a short span of t...