In the second programme in this new foreign affairs magazine series presenter Gavin Esler in Washington DC reflects on the poverty and deprivation to be found in the US capital. Plus a report from Rwanda by Lindsey Hilsum , returning to Kigali after reporting on the massacres last year to search for herdriver and otherfriends who are missing, believed killed. Brian Hanrahan in Singapore reports on a crackdown on car-owners.