Hello all,
In my last few games I've come across a few questions I hope folks can shed some light on. If these questions are answered elsewhere I apologize. I've browsed the FAQ threads, but try as I might I can't seem to hold all those answers in my head. 
First couple have to do with gate closing from effects other than moving through the other world the gate leads to. Some encounter cards tell you to claim the gate token you close as a trophy, some say not to claim it, a few don't say one way or the other. For instance, the science building encounter on this card: http://www.arkhamhorrorwiki.com/Image:MiskatonicU17.png
If an encounter doesn't mention claiming the gate as a trophy, do you do so?
In a more specific question, looking at the Other encounter here: http://www.arkhamhorrorwiki.com/Image:Gate2.png
You automatically close the gate you entered through. If you have the clue tokens can you seal it? This is in the other world encounters phase rather than Arkham encounters, where closing and sealing usually takes place. This has come up a couple times, and I've been playing it that if you become LiTaS because of the encounter you can't seal the gate, but if you return to Arkham you can. Is there a specific ruling on this one?
Next an investigator question. Harvey Walters has the Strong Mind ability, so he reduces all sanity losses he suffers by one. Does this effect spellcasting sanity costs? What about a situation like the upkeep cost for maintaining Call the Azure Flame, or the costs to use cerain items, like Flute of the Outer Gods? My logic on that is that those are not "losses" but "costs". I'm not sure I'm interpreting this correctly. Am I being to nitpicky with terminology? Some of the people I play with lump the cost and losses terms together.
For skills such as Disguise ( http://www.arkhamhorrorwiki.com/Disguise ) or other skills that use the same wording, if you only need one success, do you need to make the check at all? Does this allow you to succeed at a check that you normally wouldn't be able to pass? Once per turn, obviously.
Last 2 questions relate to specific cards. First The Messenger ( http://www.arkhamhorrorwiki.com/The_Messenger ). If you discard this ally to avoid being devoured, what happens? Do you ignore outright the effect that caused you to be devoured? If you are taken to 0 sanity and stamina at the same time, for instance. Do you just leave one sanity and one stamina and move to the hospital or asylum? If you use this while Yog Sothoth is the ancient one and you are LiTaS do you immediately move out of LiTaS, or not enter it in the first place, perhaps?
Finally a hopefully simpler question, using the Sedanette ( http://www.arkhamhorrorwiki.com/Sedanette ) can you automatically pass the Evade check to encounter an elusive monster of toughness 1?
Thanks in advance! 

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