President Joe Biden believes that Hunter Biden, his son, didn’t break the law, said White House chief of staff Ron Klain in an interview on Sunday. “Of course the president is confident that his son didn’t break the law,” Klain told ABC News’ “This Week” in response to renewed discussion about his overseas business ties and the content of a laptop hard drive that belongs to him. There have long been questions swirling around the Biden family and their ties to businesses in China, Ukraine, and other countries. Documents and messages from Hunter Biden’s laptop referenced a deal that Biden pursued with a Chinese Communist Party-linked emergency firm for which he was paid $5 million, according to a recent article for the Washington Post, which hired two security experts to authenticate the laptop. Other emails related to his work for the Ukrainian gas company Burisma Holdings—whose founder Mykola Zlovchesky is …