Wednesday on the NewsHour, a blistering heat wave hangs over California, straining the power grid and raising the alarm about the effects of climate change. We examine the closest Senate races ahead of the November election as Republicans and Democrats battle for control of Congress. Plus, Ukrainian Holocaust survivors are forced to flee war once again as the Russian invasion grinds on.

WATCH TODAY’S SEGMENTS:
News Wrap: Putin vows to continue invasion in Ukraine
https://www.youtube.com/watch?v=vpLsdHyCFwE
California heat wave pushes power grid to the brink
https://www.youtube.com/watch?v=2J5zQ_v38Eg
A look at the closest Senate races ahead of the midterms
https://www.youtube.com/watch?v=jHqNflkivC4
Holocaust survivors fleeing Ukraine find unlikely harbor
https://www.youtube.com/watch?v=-9ejliizUUw
Tennis legend Chris Evert on her battle with ovarian cancer
https://www.youtube.com/watch?v=4Ewg_1AkHwY
Who's at the greatest risk of ovarian cancer?
https://www.youtube.com/watch?v=c77C8NS06eg
Smithsonian, U.S. Army work to save art threatened by war
https://www.youtube.com/watch?v=vmDrz0YpQJc

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00:00 - Introduction
02:46 - News Wrap
07:51 - At the Extreme
16:22 - Vote 2022
23:27 - Survivors' Stories
31:36 - Chris Evert
40:30 - Who's at the greatest risk of ovarian cancer?
46:22 - Culture at Risk