Roth IRA “back door” . . . A new ruling by the IRS may allow a way of getting around IRA contribution limits.

The Bitcoin Embassy (2:36) . . . This Canadian attraction has everything for the bitcoin enthusiast. Even T-shirts.

The midterms (1:51). . . Nick Gillespie breaks down the best and worst of last week’s balloting.

The economics of tipping . . . Information asymmetry, incentive alignment, risk sharing — you’ll never look at tipping the same way again.

Why so glum? . . . Jeff Deist of The Mises Institute gives his reasons for optimism.