"They Shall Not Pass". This an article about being an immigration officer, by the author of a novel about his experiences called "Refusal Shoes." Whether you get past the UK immigration officer apparently has a lot to do with your footwear.
(I am making light of this, but in fact it is an issue that troubles me, and it is something that hubbie and I have had some big fights about.) (Oh, wait, I must correct myself. Hubbie tells me that marital spats and arguments only count as "big fights" if someone is hit or at least crockery is broken. I guess we had - um - heated arguments.)