Craving a little more castanet action in your life? The D.C. Flamenco Festival may be able to fill that void for you. Flamenco totally gets the shaft when it comes to media attention, compared to other forms of dance. Antonio Banderas makes cheesily scripted movies about tango and ballroom, and even performs the former in his Zorro films. Half our readership has probably been dragged to a swing dancing night at some point in their…