Today's edition of quick hits:
* Don't panic: "The stock market whipped between nauseating drops and roaring comebacks on Monday in a historic day of turbulence."
* France: "Three Americans who helped thwart an attack by an AK-47-toting gunman on a high-speed train received France's highest honor on Monday."
* On a related note: "President Barack Obama paused from his Martha's Vineyard vacation on Saturday to make a round of phone calls following the attack on a train headed to Paris the night before. Mr. Obama called French President Francois Hollande and the three Americans who stopped a gunman aboard the train after he allegedly fired shots."
* Korean Peninsula: "North and South Korea reached agreement early on Tuesday to end a standoff involving an exchange of artillery fire that had pushed the divided peninsula into a state of heightened military tension."
* Louisiana: "A Louisiana state trooper died Monday after authorities say he was shot in the head and then taunted when he stopped to provide aid to a man whose truck was stuck in a ditch."
* The state of Washington: "The massive fire burning in north-central Washington is now the largest in state history. The Okanogan Complex of wildfires has surpassed last year's Carlton Complex blazes, fire spokesman Rick Isaacson said Monday morning."
* Senate Minority Leader Harry Reid (D-Nev.) enthusiastically endorsed the international nuclear agreement with Iran over the weekend, making it that much more difficult for Republicans to kill the U.S.-backed policy.
* This morning, Sen. Debbie Stabenow (D-Mich.) announced her support, as well, further increasing the odds of success.
* According to a former Mossad chief, expecting Iran to cheat on the nuclear deal isn't a reason to oppose the agreement -- it's the exact opposite.
* Lawrence Summers has a message for the Federal Reserve: under the circumstances, this is "no time for an interest rate hike." He's absolutely right.
* To hear Walter Pincus tell it, Senate Foreign Relations Committee Chairman Bob Corker (R-Tenn.) doesn't really know what he's talking about.
* Good to know: "If there is one health myth that will not die, it is this: You should drink eight glasses of water a day. It's just not true. There is no science behind it."
Anything to add? Consider this an open thread.