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Donald Trump did not provide a clear answer when asked about the nuclear weapons issue at the first presidential debate. CNN's Jim Sciutto reports.

In a major rebuke to President Obama, Congress voted to override his veto of a 9/11 bill that would allow families of the victims to sue Saudi Arabia.

Pres. Obama sits down with CNN's Jake Tapper to discuss national security and veterans' issues.

Donald Trump's advisers say behind-the-scenes their candidate needs more practice before the next debate.

Sen. Sanders joins Clinton to make a pitch to millennials before the voting block turns to other third party candidates. CNN's Brianna Keilar reports.

The House and Senate voted to overturn President Obama's veto of a bill that would allow families of 9/11 victims to sue Saudi Arabia. CNN's Manu Raju reports.

French Foreign Minister Jean-Marc Ayrault talks with CNN's Hala Gorani about putting pressure on Russia to stop Syrian airstrikes and weighed in on Donald Trump's foreign policy.

John King presents his new set-mate Wolf Blitzer with a memorable housewarming gift. Wolf's response? "Not happening now."

Negotiations in Algeria lead to the first cut in eight years. Under the agreement, OPEC oil production is expected to be reduced to 32.5 million barrels of oil per day from 33.4 million. CNNMoney's John Defterios reports.

While at a campaign event in New Hampshire in an attempt to court millennials, Bernie Sanders said that it is "imperative that we elect Hillary Clinton as our next president."

John King presents his new set-mate Wolf Blitzer with a memorable housewarming gift. Wolf's response? "Not happening now."

The Federalists' Mary Katharine Ham on Melissa Joan Hart's newest role, Gary Johnson's Connecticut campaign chair.

Postal Savings Bank of China made a flat debut on the Hong Kong Stock Exchange despite being the biggest IPO of 2016. CNN's Matt Rivers reports.

With the vice presidential debate just around the corner, could it have unanticipated high stakes, as past face-offs like Biden versus Palin have shown?

Clarissa explains Millennials, the GOP's plan to keep control of congress, & the next debates are some of the headlines from the 'Inside Politics' forecast.

John King explains how the demographics of primary voters and general election voters differ and how this could prove to be a hurdle for Trump in November.

CNN's Robyn Curnow talks to Zionist Union Chairman Isaac Herzog about the life and legacy of former Israeli leader Shimon Peres.

Director Orlando von Einsiedel and producer Joanna Natasegara talk to CNN's Michael Holmes about their documentary on Syrian first responders, "The White Helmets."

Michelle Obama criticizes Hillary Clinton's opponent Donald Trump while campaigning for Clinton in Pennsylvania.

Two students and a teacher were shot at Townville Elementary School in South Carolina. One suspect is now in custody, a spokesman for Anderson County Emergency Management said.