Good question.
Really, the only issues of consequence that I can see causing difficulties for a coalition are the DP and abortion, which we did not discuss here. Even abortion I think since we are willing to open it up on non-contraception matters we can offer a political advance for your parties there. And you could probably say the same thing on the DP if you wanted to, obviously moving away from the barbaric method of hanging is a victory, and mandating the maximum of physical evidence to even seek the DP means that no one will be executed on circumstantial evidence.
As for whether or not marital rights should be extended to homosexual couples, that is an issue more complicated than you are making it. Aside from the rather large ethical question, there is among other issues, the issue of people taking advantage of domestic partnerships to evade taxes, far from an unheard of event. We would suggest that before any such matters were seriously put forward, the economic impact needs to be examined thoroughly.
Legalization of drugs we would also consider an issue for further study. We understand the arguments here, but the issue is that we are not sure that there is evidence that legalization of soft drugs stops the progression to hard drugs. We consider that a matter that needs thorough examination aside from the ethical issues.
Legalization of prostitution we consider a local/provincial issue, not a national one. It should not be the business of the central government to dictate this upon private communities that may not like it. Nor should the state stand against private communities that will support it. It's simply not a national issue.
I believe that Mr Fitzpatrik and myself have already demonstrated on the economic sphere that there is plenty of room for common working. We would agree that before privatizing any industry, there must be reasonable evidence that it private investors can run it profitably, in their mind. Also we could agree, if necessary, to ensuring that these are sold to EUtopian nationals, if privatized, not outside interests that would "take away" EUtopian jobs or capital. Otherwise there's considerable agreement.
On the military, I think we are almost entirely in agreement. The same can basically be said in the environmental sphere. We would desire to emphasize the carrot to encourage industry to think green before the stick of increased regulation. But if industry does not clean itself up with tax incentives to do so, we would not, given the current crisis, be against stiffer measures, stringently enforced, as long as they do not become crippling to the economy. We are also for studying the question of nuclear energy. Disposal is an issue, but aside from disposal, it is one of the cleanest forms of energy in existence, and definitely the most efficient.
In short, I think there is plenty of opportunity for a centist coalition. The question is, will you accept the offer? Obviously, if so, there is room for further negotiations.