Do you think the United States is or is not doing enough to keep illegal immigrants from coming into this country?
|Apr. 2007||May 2006|
|Not doing enough||81%||77%|
Source: TNS / Washington Post / ABC News
Methodology: Telephone interviews with 1,141 American adults, conducted from Apr. 12 to Apr. 15, 2007. Margin of error is 3 per cent.