The political weather outside is frightful. Navigating the storms, politically speaking, can be tough for startups -- as if they don't have enough moving parts to contend with, right?  Enter: Bradley Tusk. Mr Tusk is a political strategist with a pedigree. He helped Michael Bloomberg win an independent run for mayor of New York. He worked at the state level in Indiana. And now, he's brought his talents to the world of startups and venture capital.  Tusk's new book, 'The Fixer: My Adventures Saving Startups from Death by Politics,' is an accessible, informative and timely book for the innovating class.