Mac OSX 10.7 to include full disk encryption

Apple's recent developer preview announcement for 10.7 notes that it will include:

"the all new FileVault, that provides high performance full disk encryption for local and external drives, and the ability to wipe data from your Mac instantaneously"

This means that both Windows (BitLocker) and MacOS (FileVault) will have free, OS integrated full disk encryption.

How the President's Security Motorcade Works

Jalopnik links to The Atlantic's Marc Ambinder's great article on how the Secret Service handles a significant event, including details of how the motorcade is organized and run. For those who think about physical security, this is an interesting read including a diagram of each vehicle and its role.