Bill Klein and Dr. Jennifer Arnold, whose life is chronicled on the TLC reality show "The Little Couple" has announced plans to adopt a second child.  Like their son Will--adopted from China--their second child has dwarfism, a condition that affects both Klein and Arnold.  The couple had attempted to have a biological child using a gestational surrogate, but their surrogate suffered a miscarriage in November 2011 so the couple pursued international adoption.  More on their second child, a girl born in India, from