1. Five things to watch in the Supreme Court arguments over the Affordable Care Act, National Journal.
2. Where you should hide if there is an outbreak of zombies, Popular Science.
3. How nuns exposed how vulnerable America's nuclear weapons sites are, the New Yorker.
4. Foster kids and lower-income kids are overmedicated, Governing magazine.
5. Conservatism as counterculture, the National Review.
John Oliver on America's infrastructure problem: