Narrator: You've been pouring Guinness all wrong, but don't worry ... designed to manipulate the bubbles in the beer to turn the pour into a performance, making you wait longer than you need ...

Guinness, the beer of Irish pubs and Irish men, has endeared itself to chug-happy Americans eager to “split the ‘G.’” ...

His official recommendation, however, is to serve Guinness Draught Stout chilled anywhere between 38 and 42 degrees ...