Wednesday on the NewsHour, former Vice President Joe Biden and California Senator Kamala Harris make their debut as running mates. Plus: Biden-Harris campaign messaging, GOP congressional candidates supporting the QAnon conspiracy theory, a conversation with Kellyanne Conway, increasing coronavirus cases among young people and a dispatch from the wild and perilous Darien Gap migrant trail.

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WATCH TODAY’S SEGMENTS
On a quiet stage, Biden welcomes Harris to campaign trail
https://www.youtube.com/watch?v=YFiXSiaobco
How Biden and Harris plan to defeat Trump
https://www.youtube.com/watch?v=_lx0v2QYScY
How QAnon conspiracy theory gained 2020 campaign traction
https://www.youtube.com/watch?v=gMcJGnypBuQ
Kellyanne Conway on school reopening and Kamala Harris
https://www.youtube.com/watch?v=Pi1qyD533ro
News Wrap: 6,000 detained in Belarus as protests continue
https://www.youtube.com/watch?v=lsKxyI42yio
Young people are still going out -- and contracting COVID-19
https://www.youtube.com/watch?v=4qmJ5vrSKYU
What migrants face as they journey through deadly Darien Gap
https://www.youtube.com/watch?v=XMPX1547Pss

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