Jack Osbourne plans to vote for Donald Trump after being impressed by his response to an assassination attempt. The 38-year-old star previously declared the former president needed to be “slapped”, but he’s now made a U-turn and confirmed he will be backing the Republican to return to the White House later this year after his “strong” and defiant stance in the wake of a gunman opening fire at a campaign rally earlier this month. He admitted on ‘The Osbournes’ podcast: “But I got to say it’s probably not going to be a popular statement amongst mainstream, but, like, I’m voting for him after tha…