Rhetorical vs. rational agument

PLAY
Stage Set: three men are sitting at home trying to decide where they should to go out for coffee and two of them begin an active discussion about where they want to go.
Sam is a stylish, bubbly, handsome person who is clear speaking (often a little loud) and articulate, and talks with his hands. He is confident, honest, interesting and provocative.
Adam is a serious, quiet, analytical person, a little overweight, pale and speaks in monotone, lacks charisma, is not very articulate and is more composed.
Dale is a friend of Sam and Adam and is often in the position of deciding the winner of the verbal sparing matches in which his friends engage.
Sam: (starts in eagerly and with excitement) We should go to Tim Hortons.
Adam: (thoughtfully) Why don't we go to Starbucks?
Sam: I see Tim Hortons trucks everywhere. It's got to be better. The coffee has a special taste to it, unlike any other - it tastes well… Canadian. Every ice rink in the country has a Tim Hortons; it’s ...