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President Donald Trump and former Vice President Joe Biden faced off publicly for the first 2020 presidential debate in Cleveland, Ohio. With the ongoing pandemic, the candidates met with no traditional handshake, a smaller audience, and prior testing for the coronavirus. They battled over the economy, the coronavirus pandemic, race, and election integrity. Moderator Fox News anchor Chris Wallace selected the topics.

MSNBC’s Lawrence O’Donnell explains how Trump co-defendant John Eastman, a former law clerk of Clarence Thomas, joined fellow Thomas law clerk Laura Ingraham on Fox “where he knew he could get away with telling any lie that crossed his mind” to defend himself against the accusations in the Georgia criminal indictment.

A world first. New footage from Mars rendered in stunning 4K resolution. We also talk about the cameras on board the Martian rovers and how we made the video. The cameras on board the rovers were the height of technology when the respective missions launched. A question often asked is: ‘Why don’t we actually have live video from Mars?’ Although the cameras are high quality, the rate at which the rovers can send data back to earth is the biggest challenge. Curiosity can only send data directly back to earth at 32 kilo-bits per second. Instead, when the rover can connect to the Mars Reconnaissance Orbiter, we get more favourable speeds of 2 Megabytes per second. However, this link is only available for about 8 minutes each Sol, or Martian day. As you would expect, sending HD video at these speeds would take a long long time. As nothing really moves on Mars, it makes more sense to take and send back images. Credit: NASA Music from Epidemic Sound