What today’s ruling means for the Consumer Financial Protection Bureau, what Obama’s editorial means for our mission to Mars and how Alan Greenspan transformed the Fed. Plus: one sheriff’s office used to destroy guns used in a crime. Now, it auctions them off.

What today’s ruling means for the Consumer Financial Protection Bureau, what Obama’s editorial means for our mission to Mars and how Alan Greenspan transformed the Fed. Plus: one sheriff’s office used to destroy guns used in a crime. Now, it auctions them off.