From Marc Chandler at Bannockburn Global Forex:
The dollar’s losses in the North American afternoon yesterday have been unwound as hopes that a framework for negotiations between the US and Iran have faded again. A drone strike on the UAE, ostensibly from Iranian proxies in Iraq, has helped lift oil prices and the greenback. Yet, stocks and bonds are higher. Still, ahead of the long holiday weekend in the US and UK, risk appetites may be limited as the risk of US strike on Iran seems to have risen.
In the US, Warsh will be sworn in as the next Fed chair and at 10:00 am ET Governor Waller addresses the economic outlook. The final University of Michigan consumer confidence report typically does not elicit as much of a response as the initial reading. The US Treasury market closes early today, ahead of the holiday, and liquidity will fall off in the North American afternoon. The US dollar in consolidating in narrow ranges with a slightly firmer bias....
....MUCH MORE
Regarding the 'lack of progress', this may be of interest:
So A Sea Captain And A Cambridge Don Came To The Same Realization: "The Hormuz Hypothesis"