US election: Obama and Romney target key swing states
Barack Obama and Mitt Romney are spending the weekend in a frenetic round of campaigning ahead of Tuesday's US presidential vote.
With the candidates running virtually neck-and-neck in the polls, they have been focusing on the crucial undecided swing states.
Mr Obama said he wanted to create a future "built on a strong and growing middle class". Mitt Romney talked of wanting to lead the US to a "to a better place''.
Bridget Kendall reports from Washington.