Donald Trump ’s running mate, J.D. Vance introduced himself to a national audience Wednesday night when he addressed the Republican National Convention. The Ohio senator’s headlining address was his first speech as the Republican vice-presidential nominee. Nearly two-thirds of Democrats say President Joe Biden should withdraw from the presidential race and let his party select a different candidate, according to a new poll. And Nelson Mandela International Day is observed annually on his birthday, July 18, and people everywhere are encouraged to volunteer for 67 minutes.