If you drink and drive tonight, you will probably kill someone. True words. Fortunately, Luxor Cab (care of Berg Injury Lawyers) will give you one free ride home (up to $35, per ride) from 10 p.m - 4 a.m. tonight. If you need one, please call 415-282-4141.
Also, as Catherine Bigelow pointed out, you can get a tow: "Triple AAA The Tipsy Tow program provides a free, one-way tow (up to 10 miles) for both Triple AAA members and non-members. 6 p.m.-6 a.m., March 17-18. Call: (800) 222-4357 and tell the operator you require a "Tipsy Tow.' "
Have fun. Stay safe. Don't walk home alone. Cheers.