They make enough money on this that the two big companies, Doctors In Training and The Washington Post Co., gladly give free lunches, pens, T-shirts and other paraphernalia to students willing to come hear their pitch for Step 1 preparatory courses that range from $800 to $9,000. (No one worries about steps 2 and 3, which are comparatively easy ??? hence a medical student saying that you should st