Taking Aim at Opioids: The attorney behind a multibillion-dollar tobacco settlement in 1998 has turned his attention to the opioid epidemic. And he wants drug companies to pay.

Plastic Plague: Discarded plastic is piling up around the world and pooling in the ocean. Sharyn Alfonsi reports on the problem's deadly consequences for wildlife and what can be done to stop it.

The rookie congresswoman challenging the Democratic establishment; then, Egypt's President El-Sisi denies ordering massacre in interview his government later tried to block; and, the unlikely, eccentric inventor turning inedible plant life into fuel.