Focus podcast: US shifts to the right in midterm elections

After midterm elections that saw the Democrats lose control of the House of Representatives, how much damage has been done to Barack Obama's presidency? Jonathan Freedland is joined in London by fellow Guardian columnist Martin Kettle and Observer business editor (and former Wall Street correspondent) Andrew Clark, and in Washington by US environment correspondent Suzanne Goldenberg to assess the landscape as the political momentum shifts behind the Tea Party movement.