ABC News/USA Today/Columbia University poll finds:
Following election "very" closely: blacks 56%, whites 48%, Hispanics 33%
Contributed money to a campaign: blacks 31%, whites 21%, Hispanics 16%
Worked for a party of candidate: blacks 14%, whites 7%, Hispanics 7%
Dates conducted: Sept. 11-14. Error margin: 2 points.
