NEW LONDON, Connecticut, May 20 (Reuters) - President Donald Trump said on Wednesday that the United States may have to attack Iran even harder but will wait and see if a deal is reached, reprising the "either/or" rhetoric he has used since announcing a ceasefire six weeks ago. "We'll see what happens," Trump said during a commencement address at the U.S. Coast Guard Academy. "We hit them very hard. We may have to hit them even harder - but maybe not." "We will not let Iran have a nuclear weapon. It's very simple," Trump told the cadets.

Earlie on Sunday, the US president urged urged Iran to act faster to move to a potential deal

WASHINGTON -- US President Donald Trump said Tuesday the United States may strike Iran again, claiming he was only an hour away from deciding on an attack before postponing it at…