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2:30
The Queen's former communications director reflects on Prince Philip's legacy.

2:59
Historian Margaret MacMillan reflects on Prince Philip's life.

3:01
The secretary-general of the Commonwealth of Nations reflects on Prince Philip's passing.

2:54
Iran's Foreign Ministry Spokesman discusses the possibility of reviving the nuclear deal.

2:41
An exclusive interview with National Security Adviser Jake Sullivan

2:58
BLM Co-founder Opal Tometi joins the show.

17:57
Danielle Allen joins the show.

2:23
Miami Police Chief Art Acevedo gives police perspective on the Chauvin verdict.

1:55
U.N. Climate Chief Patricia Espinosa talks carbon emissions.

2:50
Director James Cameron's "Secrets of the Whales", an in-depth look at whale hierarchy.

2:37
Jerome Foster II is the youngest member of the Biden's Environmental Justice Council.

18:22
Former Ohio Governor John Kasich commits to raising climate change awareness.