Pennsylvania's Democratic governor, Josh Shapiro, on Sunday called on law enforcement to investigate billionaire Elon Musk for his promise at a weekend pro-Trump rally to give away $1 million each day until Election Day. Musk on Saturday gave a $1 million check to an attendee at the rally in Harrisburg, Pennsylvania, which was hosted by America PAC, a political action group the Tesla (TSLA.O), opens new tab CEO set up to back Republican Donald Trump in the Nov. 5...