Obama to announce new nuclear defence strategy

Barack Obama is set to announce a new defence strategy that would reduce the circumstances in which the US would be prepared to use nuclear weapons. It would rule out a nuclear response to attacks on the US involving biological, chemical or conventional weapons. Nor would the US use nuclear arms on non-nuclear states that comply with the nuclear non-proliferation treaty. Mr Obama said he would make exceptions for states deemed in violation of the treaty, naming Iran and North Korea. Ahead....




More...