Bill Moyers considers a president's decision to escalate troop levels in a military conflict. Through LBJ's taped phone conversations and his own remembrances, Bill Moyers looks at Johnson's deliberations as he stepped up America's role in Vietnam.

As President Obama prepares to respond to General McChrystal's call for more troops in Afghanistan, Bill Moyers considers another president's decision to escalate troop levels in a military conflict. Through President Lyndon Johnson's taped phone conversations and his own remembrances, Bill Moyers looks at Johnson's deliberations as he stepped up America's role in Vietnam.