More than 10,500 athletes will compete at the Olympics, 100 years since Paris last staged the Games. Competition started on Wednesday and the first of the 329 gold medals will be awarded on Saturday.
"We called to say Michelle and I couldn't be prouder to endorse you and to do everything we can to get you through this election and into the Oval Office," Obama told Harris.
In a statement announcing their arrests, Attorney General Merrick Garland described the cartel as "one of the most violent and powerful drug trafficking organizations in the world."