he's opening the borders. >> those kind of attacks prompted response from cantor, who insisted on his own immigration street cred, and put out mailers like this, bragging about he was the one stopping the obama/reid plan to give illegal aliens amnesty. all of which suggest that opposition to comprehensive immigration reform played a big role in yesterday's surprise result. but here's a fascinating bit of data from public policy polling, which happened to poll cantor's district yesterday, on primary election day. and with only 21% of respondents in this poll as self-identified democrats, the poll found strong bipartisan support, 64%, for the contours of the senate immigration reform bill that has already passed. the one eric cantor helped kill in the house. which gets at a fundamental truth about the politics of immigration. opposition is intensely focused among people who will make it their cause in life to go to the