New research sounds alarm on global water supply10:58
Jay Famiglietti, senior water scientist at the NASA Jet Propulsion Laboratory, talks with Rachel Maddow about new research using satellites to detect underground water around the world and finding startling deficiencies in the global water supply.
Emergency declaration could backfire, force Republican opposition08:08
Trump asks Americans to abandon truth with daily, petty lies16:32
Democrats announce plans for early debates in 2020 campaign09:12
Democrats make clear Trump's emergency plan won't come easy03:00
Trump faces steep opposition to border emergency declaration05:29
Tiny detail raises new questions about Mueller mystery case01:07