Wednesday on the NewsHour, red flag laws are brought into question following revelations that the suspected Highland Park shooter passed multiple background checks. Then, UK Prime Minister Boris Johnson remains defiant in the face of calls to resign. Plus, Phoenix seeks ways to offset rapidly rising temperatures that pose a major health risk to its most vulnerable residents.

WATCH TODAY’S SEGMENTS:
Red flag laws questioned after revelations on July 4 attack
https://www.youtube.com/watch?v=es4pnn7RyvA
Remembering the victims of the Highland Park shooting
https://www.youtube.com/watch?v=zEET6YWkkDY
News Wrap: Pat Cipollone to testify before Jan. 6 panel
https://www.youtube.com/watch?v=ixJCjfGeg5M
British PM Boris Johnson defiant amid calls to resign
https://www.youtube.com/watch?v=H4xYzqbLkgs
How abortion providers are adjusting to post-Roe realities
https://www.youtube.com/watch?v=j9hdjCfyqjA
Legal battles heat up over elections in Georgia, Arizona
https://www.youtube.com/watch?v=r9ESQb0sFuQ
Phoenix invests in infrastructure designed to beat the heat
https://www.youtube.com/watch?v=pD9VA6369ts
Conservationists work to protect endangered species in Iraq
https://www.youtube.com/watch?v=N114NE44w6Q

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00:00 - Introduction
02:59 - Parade Massacre
10:47 - In Memoriam
13:59 - News Wrap
19:17 - On the Ropes
23:00 - The End of Roe
29:36 - Democracy in Crisis
37:30 - Extreme Heat
46:34 - Endangered Iraq