Shortly before noon today, General Stanley McChrystal will face President Obama in the White House over derisive comments made by him and his aides in a Rolling Stone profile. Rumor in the beltway this morning says the U.S.'s top commander in Afghanistan is prepared to tender his resignation. McChrystal's insubordination is hardly the first case of tension between him and the president. According to Newsweek columnist Jonathan Alter, there is a history of personal conflict between these two that dates back to at least last fall. That story and this morning's headlines.