You know that school does not need a bell schedule because time is your friend, not your enemy.

FORBES: Accomplishing any goal: An address to the graduates of the GOAL Academy

Yet what Bush failed to note is the converse of that reality: The enemy of your enemy is not necessarily your friend.

CENTERFORSECURITYPOLICY: The long road to victory

Meier said there are many concepts that work really well in a computer game, like fog of war -- not being able to see all the pieces on the board until your units are within range of enemy units.

CNN: The rebirth of turn-based strategy games