The commendably missing element from Obama's speech

(updated below)

Comparing video clips of George Bush's 2002 West Point speech on Afghanistan with the one Barack Obama delivered last night, Rachel Maddow argues that Obama has now embraced the fundamentals of the dreaded "Bush Doctrine":  namely, we will fight wars even in countries that are not posing any threat to us in order to prevent some future threat that may (or may not) emerge.  Rachel makes a persuasive albeit not conclusive case:  like most Obama decisions, last night...