US President Donald Trump said on Monday “I will do what I have to do” if Iran does not stick to its agreement with Washington.“If Iran doesn’t live up to their agreement, or if they’re not behaving, I will do what I have to do,” Trump told reporters.Trump and Iranian President Masoud Pezeshkian signed an interim US-Iran deal last week, more than three months after the US and Israel attacked Iran and Iran responded with its own attacks on Israel and Gulf states with US bases.Trump said on...