President Trump denies saying anything inappropriate to a foreign leader. But House Democrats push the intelligence community for information on a whistleblower complaint that allegedly accuses him of that. Will they get that information? Students across the world are marching for action on climate change today. Swedish teenage activist Greta Thunberg leads the cause. How did she create this movement and what are the demands? And catastrophic floods have hit large parts of southeast Texas. A state of disaster has been declared in 13 counties.