Tough to buy the dollar when the Fed is expected to be dovish.
The US dollar is back under the gun as a new wave of selling hits.
This is a straight-up fundamental question at the moment
How weak is the US economy?
In addition, how easily shaken will US dollar longs be?
At the same time, there is a growing focus on European stock markets. The German DAX is down 3% as German yields rise, making the 'ole raise debt and buyback shares trade a bit less lucrative.
The euro is through 1.11.

EURUSD intraday
The worst news for the dollar is on the technical front, there isn't much support.
Update: It's a blowout above 1.11 -- quick move to 1.1134.