You guys do realize that this is not doublethink?
Simply believing that some questions can yield multiple answers, or that some questions cannot be answered given the state of our knowledge, or even that some questions can never be answered is not the same as tricking your mind into believing simultaneously in A and not A.
If, for instance, I can see that there are valid arguments on both sides of the debate over legalizing marijuana, it doesn't mean that I simultaneously believe both that it should be legalized and that it shouldn't be legalized. It just means either that I haven't made up my mind as to which side I think is more right, or that I don't believe either side is ever going to be right. In either case, it's not that you believe in contradictory things at the same time, it's that you have effectively given up on the enterprise of choosing your belief.
Right, this is something I think I can relate more to. There are certainly many - most? - subjects/areas in life that are rather gray and which I can see a variety of perspectives on, and am therefore unable to pinpoint one as absolutely Right. There are simply different ways of looking at things, which results in different answers. I think this is where many who are more prone to looking at things from various angles then don't end up 'committing' to any particular one, because they end up not being able to do so as a result of the very fact that they are holding onto these various perspectives.
Anyway, yeah, for me at least I don't view this as believing in both, or multiple, at the same time - it simply means what you've outlined above - that I am effectively letting go of committing/alligning myself with one and only one. (And perhaps the reason this subject is being brought up is because the nature of the examples that tend to fall under it (religion, abortion, death penalty, anything sociological/philosophical) are SO insanely subjective and often values-based that one can reasonably argue one position or the other)
Generally speaking, I also have always tended to believe there are ultimate Truths/Realities to how the universe operates and 'how things really happen', and I naturally, just like everyone else, have my subjective/personal lens and opinions about 'how things really are'/reality, which may be right or wrong. And, I might often pull things from various perspectives to try to hone in on this 'reality'. But philosophically I don't really believe two contradictions can be objectively true - there is only one true reality. Our subjectivity and the fact that many subjects ARE subjective is why we fall into the belief that we can hold two opposing view simultaneously - that, and us not wanting to commit to what in essence may be un-committable.
I could have done a better job of trying to articulate that, but... meh.