Joe Biden’s sister lashed out at Donald Trump for his attacks on both the president and his son, Hunter Biden. Valerie Biden Owens helped her brother on several campaigns, including his 2020 campaign against then-president Trump. She spoke on the CBS Morning Show about her new book and the campaign. She said the only race she didn’t look forward to participating in was that against Trump. “I expected and was not disappointed that it would be ugly and mean and an attack on my brother, Joe, personally and professionally, because the former president is very intent on bringing my brother down,” O…