There are two things on the Internet this morning that have filled me with childlike joy and delight: The hilarious video above of President Obama taking a crying baby into his arms and immediately soothing it into not crying -- after his wife and the baby's parents had tried unsuccessfully to do so -- and the epic story of "Mike, the headless chicken.

56 years ago today, on on April 18, 1955, Albert Einstein died of heart failure.