9 AM ET: Trump shooting motive, postage prices, Messi's goodbye & more

Investigators and officials are still trying piece together how and why a gunman shot former President Donald Trump at a rally over the weekend. The Republican National Congress will go ahead today without any major security changes. More than 100 million Americans are under heat alerts today. The price of postage has gone up again - we'll tell you why you should care. Plus, Lionel Messi has a tearful end to major international soccer. Learn more about your ad choices. Visit podcastchoices.com/adchoices