I wonder if there is a word or words missing from the clue. If it read "uninspired and odd setter to get angry" then it would make sense....odd letters of "setter" = STE
I think you're Chris, if you remember last week there was the anagram that wasn't (55a) and so it is quite possible that it's an error. I really don't know what's happening at the Times - if you go on the 'Times for the Times' forum you'll see complaint after complaint from people who can't access their crosswords online. If you go to the forum for 12/4 you'll see an excellent post from 'Nick the Novice' entitled 'Global Brand or What' - it's really worth a read.