What's the sound of one hand clapping?  Where's Waldo? If the no. 2 pencil is the most popular type of pencil, then why is it still considered number two? These are all questions that have mystified people for generations -- and if you've been looking for a new job lately, there's another question you'd probably agree should be added to the above list. It's the question of how job candidates should handle the "Salary History" [...]