Income from wealth is easy to hide and hard to tax -- and perfectly legally.

CNN: Why do the Romneys pay so little in taxes?

Income from labor is hard to hide and easy to tax, as the middle class knows full well.

CNN: Why do the Romneys pay so little in taxes?

Compared with traditional books, e-readers make it easy to distribute works from African authors that can be hard to get in print.

WSJ: Worldreader: An E-Book Revolution for Africa?

Resistance adjustments are instant, making it easy to replicate everything from a flat or rolling hill course, to the coast down a hill after a hard climb.

ENGADGET: Wahoo KICKR Power Trainer lets iPhone cyclists feel the simulated burn (video)

The net effect will be to jerk the easy-money football away from Airline Charlie and produce a painful collision between his backside and the hard ground of economic reality.

FORBES: QE Part III, Peanuts Edition: Ben Bernanke As Lucy Van Pelt