1. The DNC is wrapping up tonight with VP Kamala Harris making her historic acceptance of the democratic presidential nomination. \n2. A full stop for Canada\u2019s two major freight railroads with likelihood to impact to U.S. economy. \n3. Scientists take a major step in the development of a universal flu vaccine that can last up to 20 years and adapt to fight new strains of the infection, human trials could begin in 1-3 years.