Rarely do we devote one show to just one writer, but on this Selected Shorts, we turn the show over to universally beloved author George Saunders. Saunders somehow finds the good, or at any rate the imperfectly human, in his characters. The result is a catalog as funny as it is moving, as devastating as it is hopeful. On this program, two stories that perfectly illustrate this. “Love Letter” is from Saunders’ latest collection Liberation Day. In it, an anxious grandfather who is ambivalent about the state of the world counsels an older grandchild. “Love Letter” is read by Stephen Colbert. And a favorite from our archives, “The Falls,” shows us two flawed men given a chance to do the right thing. René Auberjonois reads. The show also includes a conversation between host Meg Wolitzer and Saunders.