 BBC News | Fans brave torrential rain at 'Harry Potter' premiere CNN International LONDON, England (CNN) -- If Potions Professor Horace Slughorn had mixed a brew to conjure up torrential rain, the weather could not have been worse for the premiere of "Harry Potter and the Half-Blood Prince. ... Harry Potter and the Half Blood Prince, review Radcliffe prefers dating women his age now Potter film will keep fans under a spell: reviews |