Trump: Negotiations Are Positive; If No Deal Is Reached, We Will Strike Hard

Trump says US held 'all-day negotiation' with Iran on Tuesday

By Kanishka Singh and Bo EricksonWASHINGTON, Aug 4 (Reuters) - U.S. President Donald Trump said there was an "all-day negotiation" on Tuesday with Iran, characterizing the talks positively while also threatening to hit…