I want to write about Buster Bottley, but first I’d like to say that I was glad the Pope was not assassinated during his visit to Albania. “What has been declared by the self-declared Islamic State is clear,” The Mail on Sunday quoted Iraq’s ambassador to the Holy See as saying. “They want to kill the Pope. The threats are credible.” I’m afraid pressmen half look forward to such tragedies, like circus spectators at a trapeze act.As for Buster Bottley, he has his own Twitter account. Nothing unusual about that, even for a greyhound, these days. “They are back. I p - - - - d on the floor just to make my feelings known,” he tweeted earlier this week, referring to the people he lives with, Graham and Kate.Buster is a celebrity because, whe