I did not hear this personally, but my best pal did and called me.
draghi said this morning, that the ECB may go to negative rates for holding bank funds. I think the U S pays member banks 1 quarter % or something like that. If the ECB goes negative - expect a lot of yurp money to flow to the U S paper. The best house in a bad neighborhood.
As the old street adage goes: "The market can stay screwed up longer than you can stay solvent.