Both Sen. Barack Obama and Sen. John McCain are treading some unfamiliar campaign-year terrain this summer as key blocs of ethnic voters shift the electoral landscape and put previously uncontested states, big and small, up for grabs.
links
- Ethnic voting blocs shift landscape (http://rss.cnn.com/~r/rss/cnn_allpolitics/~3/34396 6825/index.html)

