Obama said restrictions aimed at protecting top-secret technical data on U.S. Standard Missile-3 velocity burnout parameters might impinge on his constitutional foreign policy authority.
Why is this different than what WikiLeaks did? This is not the first time Obama has betrayed the US and its allies. (See UK story below)
Washington Times As first disclosed in this space several weeks ago, U.S. officials are planning to provide Moscow with the SM-3 data, despite reservations from security officials who say that doing so could compromise the effectiveness of the system by allowing Russian weapons technicians to counter the missile. The weapons are considered some of the most effective high-speed interceptors in the U.S. missile defense arsenal.
There are also concerns that Russia could share the secret data with China and rogue states such as Iran and North Korea to help their missile programs defeat U.S. missile defenses.