What do you call 2000-2004? With the surge in population in the Lehigh Valley recently, I'd say this marks a good trend (for Democrats that is).
Uh...going down in margin of victory in 1996 and 2000 but going up last year isn't a trend.
Their is something called the National Margin Phil. Yes it did go down from 96-00, but against the national margin it has gone more Dem from 96-00 & then again from 00-04
Ok so there was a "trend" for Dems between two elections. I don't consider that a trend at all but anything to satisfy the hacks here.
You can consider that a trend, just look at the suburban shift in the NYC & Philly burbs from 88-92 and then from 92-96, two elections, but I would say anyone at that time would agree their was a trend there