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6/30/2024: The Heritage War; The Air We Breathe; The Mismatch
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43M MAY 10, 2015 TV-PG
S47 E34: Anderson Cooper interviews undercover informant Michael Blutrich, one of the most effective informants ever, according to authorities; then, with over 50 percent of our nation lying underwater, huge discoveries await, says explorer Robert Ballard; and, Sharyn Alfonsi profiles Greg Glassman, creator of the CrossFit workout.