rojerjw. I'm not very good at explaining things but here goes. 10a. When you have a foot in a particular camp, you are taking sides, so coming back would be resided. Apologies for baffling you, told you I can't explain very well!!
Have now seen through clue 7dn, which I think is a little unfair. Here goes.
Drink it on 6k runs. The 6 refers to thew answer to 6 across which is avid. Runs indicates an anagram. Thus vodkatini is an anagram of: it on (avid) k.
Thanks for help. Still not too happy with resided. Roger