Obama Limits When U.S. Would Use Nuclear Arms - NYTimes.com
April 5, 2015
Washington - Three weeks into a massive smallpox outbreak which has claimed nearly 300,000 lives, administration officials speaking on condition of anonymity indicated that no decision has been reached regarding a military response against the nations suspected of having initiated the attack...
Don't fool yourself into thinking this sort of thing doesn't matter. The United States has always reserved the option of responding to biological and chemical attacks with nuclear weapons. Renouncing that option immediately increases the likelihood that American forces and American civilians will come die due to weapons of mass destruction.
If Obama is naive enough (and I fear he actually is) to believe that this sort of statement will discourage states from seeking nuclear weapons he is completely out of touch with reality.
The comparison to Jimmy Carter has been made previously. As with Carter's unilateral renunciation of the neutron bomb, Obama is taking a unilateral step that weakens the security of the United States.