Takeaways from the Democratic National Convention

Here are some takeaways from the Democratic National Convention in Chicago. - Star-studded convention - Oprah Winfrey stole the show, exhorting voters to "choose joy" and Stevie Wonder took the convention to "Higher Ground." John Legend lit up the United Center with a tribute to Prince, while comic actress Mindy Kaling shared stories of cooking lessons from the vice president. And there was comedy with a serious message from Saturday Night Live star Kenan Thompson, who brought a giant book...