After months of Trump rallies and millions raised and spent, the fundamentals have not changed: Democrats are counting on a fired-up base still seething over the 2016 election to push their candidates over the edge. Republicans note that Democrats are playing defense, with 10 incumbents fighting to survive in states Trump won big. "All things considered, not that much has changed," said Larry Sabato, director of UVA's Center for Politics. "This is one of the worst maps, if not the worst map, that Democrats have ever faced since the beginning of popular elections."