The day after President Obama ended his historic trip to Havana, Cubans turned on their TV sets and watched his surprise guest appearance in a skit on the popular weekly show Vivir del Cuento (Live by Your Wits). [...]  It was actually Obama’s second appearance on Vivir del Cuento; he’d taped a mock phone call with Pánfilo from the Oval Office for an episode that aired just before his arrival in Havana.