Shadow Docket, Rat Tickling, Power of Strangers

What’s the Supreme Court’s Shadow Docket—and why does it matter? Then, how—and why—scientists tickle lab rats. And, talking to strangers could make us happier, smarter, and more interesting. Also, on today's show: why people don’t often report sexual harassment; how your personality affects your ability to wake up early or stay up late; radio dramas are making a comeback.