Bernard Keane's Canberra, what America's 'comfort class' doesn't get, and the life of a food critic

Crikey's Politics editor Bernard Keane on the surprising defection of Senator Derinda Cox from the Greens to Labor, and US calls for Australia to increase its defence spending. Writer Xochitl Gonzalez critiques the widening chasm between the haves and have-nots in the US. Plus John Lethlean's colourful life as a food critic.