Comcast’s 4th-quarter profits and revenue come in higher than expected. JetBlue, American Airlines, and Southwest Airlines all deliver 4th-quarter reports but two of them are still dealing with issues related to Boeing’s 737 Max. Bill Barker analyzes those stories and discusses the effect of a slowing global birthrate on Procter & Gamble’s latest quarterly results. (Tangents include the death of Mr. Peanut, Amazon having a commercial airline, and senior racquet sports.)   Thanks to Grammarly for supporting The Motley Fool. For 20% off a Grammarly premium account, go to www.Grammarly.com/Fool.   Thanks Health IQ.  See if you qualify for lower rates! Go to www.healthiq.com/fool.