The man whose computer store received a laptop computer from President Joe Biden’s son has sued Twitter for alleged defamation. John Paul Mac Isaac owned a computer repair store in Delaware before closing it last year. He says Hunter Biden dropped off a damaged computer several years ago and would not return calls to pick it up after it was repaired. Mac Isaac spoke to former President Donald Trump’s lawyer Rudy Giuliani, who provided materials from the computer to news outlets. The first report came from the New York Post. Twitter blocked the spread of the report, claiming it violated its “hacked materials” policy. It said in a statement that its rules on the “distribution of hacked material” were violated. The statement was defamatory, Mac Isaac’s lawyers said in the new filing. A hack is defined as an intrusion or access to a computer or other device that was either …