About a million and a half college seniors got their diplomas this spring. Next comes the real world and a long, long list of things to do. Find a job...for one. Get a place to live...for another. But what about a trip back to the classroom? Several studies give college graduates an F when it comes to understanding personal finance. If it's just too early to think about course registration, we're happy to offer this crash course. Nancy Farghalli has it.