With all the talk about trains in recent days, reader Zach decided to do some quick Googling to check out some train ticket prices. He typed in “cheap train tickets” and what do you know? Oh, hello Delta! We didn’t know you were in the train business now. Let’s click on your link on the small hope that maybe there’s a train ticket discount or some sort of…nope, same old Delta. Zach’s letter, inside…