Susan Biddle Ross is a character on Seinfeld, played by Heidi Swedberg. Susan, an executive at NBC, first appeared in the season 4 episode  The Pitch , in which Jerry Seinfeld and George Costanza pitched the idea for their sitcom to Susan and her fellow executives.
The best solution is to remove the tank and drain it. You can also try and siphon out as much as you can and put STP Gas treatment or any other alcohol based de icer in. It will take several cans of this plus fresh gasoline. If water has reached your fuel filter this will have to be replaced also.
Although there is water in the air around you, you can't really see it. To see liquid water vaporizing into a gas, put some water into a pan and bring it to a boil on the stove. Those bubbles you see in the pan? That's liquid water turning to a gas and escaping into the air!