People always find terrible ways to justify doing horrible things. But we enjoy watching horrible things; it gives us a feeling of immortality. We, however, are not immortal. Life is short. And the time that we spend with our loved ones is mostly behind us. Single Carrot Theatre opens their 11th season here in Baltimore with Young Jean Lee’s Lear, a peculiar exploration of familial dysfunction threaded loosely within the confines of Shakespeare’s King Lear.