From PBS NewsHour.

Saturday on PBS News Weekend, a former top CDC vaccine expert explains why she resigned in protest. Europe’s top diplomat discusses the relationship with Trump and the path forward with Iran. How artificial intelligence is helping scientists track humpback whale migration patterns. Plus, the career and achievements of pioneering comedian and LGBTQ+ rights activist Robin Tyler.

WATCH TODAY’S SEGMENTS
Former top CDC vaccine expert on why she resigned in protest

News Wrap: GOP unveils Senate version of Trump’s big bill

Europe’s top diplomat discusses EU’s relationship with Trump

Scientists track humpback whale migration with help from AI

How comedian Robin Tyler fought for LGBTQ+ rights with humor

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00:00 – Intro
01:47 – Vaccines & Public Health
07:41 – News Wrap
09:51 – Europe’s Top Diplomat
15:25 – Tracking Whales
20:36 – Hidden Histories
25:28 – Online + Goodnight