Paul Courant, the dean of Libraries at the University of Michigan, sits in front of a card catalog in the stacks of the Hatcher Graduate Library. Angela J. Cesere | AnnArbor.com Nothing lasts forever. So it will be said about the University of Michigan Library's card catalogs when they are removed from their home in the bowels of the Harlan Hatcher Graduate Library on March 8. Twelve and a half mi