How can you stalk someone who may not even be there? I mean, it might not be the same one the next time. I mean, it might be possible to stalk nameless GUESTs in general, but you can't really stalk an individual one.
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No, Kerry doesn't seem to have a particularly big nose, definitely not his most noticeable feature - I assume the "joke" was lazily recycled from some politician who did have what was seen as an outsize hooter.