Dan Glaister explains the impact of Colin Powell's endorsement of Barack Obama.
Meanwhile, Gary Younge strays from the media pack to spend the run-up to the presidential election in Roanoke, Virginia.
We focus on the financial solutions the government has planned, with the Guardian's economics correspondent Ashley Seager.
The Leading Indian conservationist Valmik Thapa reveals that poaching has left fewer than 1500 tigers in the wild.
And the Guardian's science correspondent Ian Sample discusses the Ministry of Defence's UFO files.