Supreme Court's Oral Arguments, U.S.-Iraq Conflict, Marine Helicopter Crash, and Pharma CEOs Grilled

The Supreme Court is hearing arguments over challenges to former President Donald Trump's inclusion on Colorado's primary ballot – we'll lay out the key questions. Iraq is warning against US aggression after a strike killed a militant group commander. Five US Marines have died after their helicopter crashed in California. Senators have been grilling the CEOs of three drug companies over prices. Plus, scientists inch forward in the race for unlimited, clean energy.

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