The husband of murdered ABC staffer Jill Meagher has hit out at the sentence handed to her killer Adrian Bayley.

Bayley, who has a long history of violent attacks on women, was jailed for at least 35 years for raping and killing the 29-year-old in September last year.

In an exclusive interview with the ABC's 7.30, Ms Meagher's husband Tom describes Bayley as "unrepentantly evil" and says the sentence is a "disgrace".

He says Bayley's criminal past makes his "blood boil", and that his wife would still be alive if the justice system had not failed her.

United States president Barack Obama wants to reduce deployed nuclear weapons by up to a third and revive negotiations with Russia to "move beyond Cold War nuclear postures".

Smog levels in Singapore have hit the highest level on record with the air pollutant index approaching the "hazardous" level.

The husband of murdered ABC staffer Jill Meagher has hit out at the sentence handed to her killer Adrian Bayley.

Bayley, who has a long history of violent attacks on women, was jailed for at least 35 years for raping and killing the 29-year-old in September last year.

In an exclusive interview with the ABC's 7.30, Ms Meagher's husband Tom describes Bayley as "unrepentantly evil" and says the sentence is a "disgrace".

He says Bayley's criminal past makes his "blood boil", and that his wife would still be alive if the justice system had not failed her.

United States president Barack Obama wants to reduce deployed nuclear weapons by up to a third and revive negotiations with Russia to "move beyond Cold War nuclear postures".

Smog levels in Singapore have hit the highest level on record with the air pollutant index approaching the "hazardous" level.

Afghanistan's government has suspended negotiations with the US over a bilateral security deal, a day after America announced it will hold talks with the Taliban.

Six months after making global headlines by sheltering under a jetty when blistering fires hit the Tasmanian town of Dunalley, the Walker family is facing the harsh reality of starting from scratch.