"But on Sunday morning, there's the time when a man has time to eat..." Radio listeners can enjoy an excerpt of Cole Porter's " Sunday Morning Breakfast Time " at the top of every Food Guys broadcast. Breakfast-odes notwithstanding, when Jon Jackson did a little digging, he discovered that breakfast's role as "the most important meal of the day" is new-fangled. In fact, in 13th century Europe, breakfast carried vulgar connotations: Thomas Aquinas declared that meals eaten early in the day