Thomas Keegan

On a fundraising trip in Silicon Valley, Selina is challenged by an anti-fracking mom and visits the campus of Clovis, a tech company with a young, ambitious CEO. Back in D.C., Jonah makes a crude viral video of the Selina/mom encounter, and Dan, with Ben's help, gets an idea for a rumor he can spread against Chung.

Watson and her half sister, Lin (Samantha Quan), have conflicting reactions when their estranged biological father dies. Also, Holmes and Watson find themselves on the hunt for a stolen plutonium shipment they fear will be used to make a dirty bomb after a department of energy inspector is killed with a lightning gun.

As Elizabeth struggles to hold herself together emotionally following the attack in Iran, she works to prevent an ecological disaster in the Amazon, and prepares for a national television appearance on "Face the Nation." Also, she and Henry disagree about the level of protection Jason should have at his new school. CBS News' Bob Schieffer guest stars as himself. (TV-14 L, V)