Welcome back to slaughtering a few sacred cows. This one came clear to me over the last few days from so many writers saying how stunned they are that Barry Eisler turned down such a large deal to self-publish his own books. So before I continue into the Think Like a Publisher series, let me hack at a sacred cow. To start, let me be clear on the myth I’m talking about right up front. Myth: Selling to Traditional Publishing Means Safety and Security. As a person who has been a freelance writer for over 25 years and sold my first short story in 1975, that just makes me laugh. But…