* Biden says delta Covid variant is 'particularly dangerous' for young people CNBC
* Dr. Ronny Jackson calls on Biden to immediately undergo cognitive test to assess 'mental impairment' Fox News
* WATCH LIVE: President Joe Biden to deliver remarks about COVID-19 vaccinations WSLS 10
* Biden's silence on capital punishment tests fellow opponents The Week Magazine
* Biden's silence on executions adds to death penalty disarray Yahoo News
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