Just ahead of redistricting, Republicans are in prime position to win the governors mansion and both chambers in the Pennsylvania General Assembly. Additionally, Republican U.S. Senate candidate Pat Toomey appears to be on the verge of boosting GOP gains in the Keystone State. Political prognosticator Charlie Cook currently rates the governors race in which GOP nominee Tom Corbett has mounted a stellar campaign, as Lean Republican. Several polls indicate that Corbett has opened a wide lead over his opponent. In the state Senate, Republicans control 30 of the 50 seats, leaving that majority safely in the GOPs hands. The House...