President Bush this month put forth an ambitious plan to allow undocumented immigrants holding jobs in the United States to earn "temporary worker" status for up to six years. And an unlimited number of new immigrants could enter the country, as long as they secure jobs through a government database. Outlook: Business groups applaud the plan, but Congress must still give its blessing. And since Sept. 11, 2001, Congress has leaned more toward toughening the immigration system, not loosening it. Read plan specifics at www.whitehouse.gov.