Pennsylvania hasn't been won by a Republican in 20 years, but McCain is hoping that his maverick image will sway enough voters to secure a victory.
With Obama expected to win big in Philadelphia and McCain expected to produce big margins in the Western and Central parts of the state, suburbs like Ardmore -- on Philadelphia's Main Line-- with its large numbers of so-called swing-voters --will likely decide who wins Pennsylvania's 21 electoral votes.
Jon Decker reports.
