Hillary Clinton flew with the president on Air Force One to North Carolina. "Everybody can tweet," Obama said. "But nobody actually knows what it takes to do the job until you've sat behind the desk."
On Tuesday, interest rates fell again as investors around the world moved money into safe havens, such as U.S. Treasurys. The 10-year Treasury note yield closed below 1.4 percent for the first time.
FBI Director James Comey recommended "no charges" against Hillary Clinton in the email investigation. But he called her out on Tuesday for being "extremely careless" in the handling of classified information.
NPR's Ari Shapiro talks with Sophie Bjork-James of Vanderbilt University about how Donald Trump's presidential campaign has inspired white supremacist groups' activity online.
The Kemper Project is an electrical generating station currently under construction in Kemper County, Miss. The plant has been held up as a model of the Obama administration's efforts to promote new, clean energy technologies, but the project is two years behind schedule, still not operational, and more than $4 billion over budget. NPR's Ari Shapiro talks to Ian Urbina of The New York Times about the Kemper Project and the administration's clean energy policy.
A state law that was enacted in 2013 was the basis for Bryton Mellott's arrest, but the local prosecutor says it contradicts the Supreme Court's ruling on this issue.
The politics team is back with a quick take following the conclusion of the FBI's investigation into Hillary Clinton's use of a private email server while serving as secretary of state.