MANHATTAN, NY — This week, 60 Minutes host Scott Pelley held a sit-down interview on the universe's ecological sustainability with a figure who has been both dismissed as a doomsdayer and celebrated as humanity's best hope for longevity on earth: Thanos. "Little one, it's simple calculus. The universe is finite, its resources finite. If life is left unchecked, life will cease to exist. It needs correcting." Thanos spoke to CBS's Scott Pelley in an interview that many onlookers called "ominous" and "awkward." When Pelley pressed the hulking purple figure on "who would do the correcting," Thanos demurred, opting to rub...