On this edition for Saturday, June 8, a deal with Mexico averts trade tariffs, astronomers are concerned about orbital debris as SpaceX plans to launch thousands of new satellites, an Arizona artist honors migrants who lost their lives crossing the desert, and can horse racing prevent the deaths of its equine athletes? Hari Sreenivasan anchors from New York.

WATCH TODAY’S NEWSHOUR WEEKEND SEGMENTS:

SpaceX plans launch of 12,000 satellites into Earth's orbit

Why horses are dying at U.S. racetracks at an alarming rate

Arizona artist honors migrants who died in desert crossings

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