The Presidential race in Pennsylvania has tightened since the conclusion of the party conventions last week. The latest Fox News/Rasmussen Reports telephone survey in the state finds Barack Obama leading John McCain 47% to 45% in the Keystone state (demographic crosstabs available for Premium Members).

Prior to the latest poll, Obama held five percentage-point leads in August and July.

The latest poll finds the Republican candidate is viewed more favorably among voters. McCain is viewed favorably by 57% of voters and unfavorably by 40%. Obama’s ratings are 55% favorable, 44% unfavorable.

Similarly, Sarah Palin is viewed slightly better than Joe Biden. The Republican Vice Presidential nominee is viewed favorably by 59% and unfavorably by 37%. Biden’s numbers are 54% favorable, 42% unfavorable.

Rasmussen Reports and Fox News Channel will jointly release a series battleground state polls every Monday night at 6:00 p.m. Eastern. See overview of all polling released this week.

Rasmussen Reports will release other state polling on the Presidential race weeknights at 5:00 p.m. Eastern. The Rasmussen Reports daily Presidential Tracking Poll, follows the race on a national basis and is updated every morning at 9:30 a.m. Eastern.

This month, Obama leads 56% to 37% among unaffiliated voters. He also leads 55% to 36% among women, but McCain leads 55% to 38% among men. McCain dominates among Evangelical Christians in Pennsylvania, but the races among other Protestants and Catholics are much closer. The Republican leads 48% to 45% among Protestant voters and 45% to 42% among Catholics.

Rasmussen Markets shows that Democrats are currently given a % chance of winning Pennsylvania’s 21 Electoral College Votes this fall.

Overall, 48% of voters in Pennsylvania trust McCain more than Obama. That number includes 18% of Democrats. Forty-one percent (41%) say they trust Obama more, which includes just 11% of Republicans.

Thirty-nine percent (39%) of voters in Pennsylvania say they would not be comfortable at all with Obama in the White House, while 33% say that of McCain. While 71% say they would not be comfortable with an Obama presidency, 57% of Democrats say that of McCain.

If faced with the toughest decision of their lives, 47% of voters in the Keystone State say they would turn to McCain for advice over Obama. Forty-one percent (41%) say they would choose the Democrat.

Governor Ed Rendell (D) earns good or excellent ratings from 34% of voters, while 26% say he is doing a poor job.

Just 32% of voters give President George W. Bush good or excellent ratings, while 55% say the president is performing poorly.

See survey questions and toplines. Crosstabs available for Premium Members only.