(ANNANDALE-on-HUDSON, N.Y.)— Bestselling authors Neil Gaiman and Armistead Maupin will discuss their heroes Charles Dickens and Christopher Isherwood, the craft of storytelling, and many other subjects in a public conversation in the Sosnoff Theater of the Fisher Center at Bard College on Saturday, November 7, 2015, at 7:30 pm. Maupin is the author of 11…