Clinton-Trump Debate Turns Nasty

Hillary Clinton accused Donald Trump of denigrating American democracy and being a puppet of the Russian president. He accused her campaign of inciting violence at his rallies.

We'll go to Sana'a to speak to a UN top official about a three-day ceasefire in Yemen.

And a scientist will tell us what has become of the robotic probe which the European Space Agency has been trying to land on Mars.

(Photo: Locals and Americans watch the final presidential debate between Hillary Clinton and Donald Trump at a bar-restaurant in Mexico City. Credit: Yuri Cortez/AFP/Getty Images)