Time is an especially precious commodity recently. Not only is there the usual rush of gift-buying and travel-plan-making that accompanies this time of year, but now we’ve got an impending Mayan apocalypse to contend with, too. Provided we all survive, Artspace has gathered together a list of art shows for you to see over the holiday break. It’s full of exceptional artists like Picasso, Warhol, Matisse; exciting group shows like “Fore,” “Sinister Pop,” and “Inventing Abstraction”; and one especially—forgive me—timely exhibition of The Clock by Christian Marclay, either before or after the clock ticks away on 2012. READ MORE