The subtle and not-so-subtle of Kim's return

The sudden reappearance of Kim Jong Un on North Korea's state-run television would mark the first sign of him after weeks of conflicting reports over his health and whereabouts.But there's a lot more in the footage than just a smiling Kim, relaxed as he apparently tours a new fertilizer factory.Let's look at what it shows.First, no explanation is given as to where Kim has been since he was last seen on April 11.The news anchor -- who is very famous in North Korea -- only talks about the ribbon c