The working relationship between our Republican governor and the Democratic leaders of the House and Senate is a beautiful thing, so beautiful you might be lulled into thinking partisanship in Massachusetts is practically extinct. Don’t be lulled. Yes, Charlie Baker is sincerely committed to working well with others in the legislature. You’re no more likely to hear him criticize House Speaker Robert DeLeo or Senate President Harriette Chandler -- or any legislator for that matter -- than you are to hear President Trump apologize for a Tweet. The same goes for DeLeo and Chandler vis-a-vis Baker. They all want to get things done, they all fundamentally agree on many issues, and they’re all glad to work together on a positive agenda for the Commonwealth. However, while valuing, and occasionally extolling, the benefits of bi-partisanship, both parties still know they are enemies. They know they’re obligated by the conventions of politics to act like foe...