Assorted Links

1. Cheap cataract surgery

2. A couple articles on ISIS:
http://www.theatlantic.com/magazine/archive/2015/03/what-isis-really-wants/384980/

http://www.cracked.com/blog/isis-wants-us-to-invade-7-facts-revealed-by-their-magazine/

3. On Tolerance

4. Tyler Cowen’s macro framework. I agree with basically all of it.