Though some of the fantastical fairies and magically made-up men and women may have hung up their glittery wings and cast off their gilded lids and long lashes on November 1st, the true enchantment continues through November 17th at the Public Theater with The Mobile Unit’s playful production of Shakespeare's A Midsummer Night’s Dream. This costumed comedy of trickery is the perfect treat for the post-Halloween season. And, thanks to the mission of The Mobile Unit (a reinvention of the “Mobile Theater” originally founded in 1957 by Joe Papp) that art should be free and accessible to everyone -- the