How the highly contagious delta variant is affecting the fight against the coronavirus. Plus, Nikole Hannah-Jones's fight for tenure and what it's like to be Black in higher education.
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A mutated, more transmissible form of the coronavirus called the delta variant is forcing countries to go back into lockdown and areas of the United States to reinstate mask mandates. Fenit Nirappil
reports on what’s known so far about this new variant and how it could affect the United States.