An old Doonesbury cartoon by Gary Trudeau pictured a young man who was being interviewed by the president of an advertising company.  The dialogue went like this:  The executive says, "So you want to be an ad man, eh, son?"  And the young responds, "Well, I think so, sir.  I mean, I can't be certain, of course, but it seemed worth looking into, you know, to see if it worked out, if it felt right, and ... I ... uh..."  That's commitment... or, is it?