Senators writing a comprehensive immigration bill hope to finish their work this week.
Their plan is sure to open a raucous public debate over measures to secure the border, allow tens of thousands of foreign workers into the country and grant eventual citizenship to the estimated 11 million people living here illegally.
Negotiators are already cautioning of struggles ahead for an issue that's defied resolution for years.
Republican Sen. John McCain of Arizona told CBS' "Face the Nation" that everybody didn't get what they wanted and predicts a "great deal" of unhappiness.
He and Democratic Sen. Chuck Schumer of New York are leading the so-called Gang of Eight senators discussing the legislation.
An immigration deal came close in 2007 but collapsed amid interest group bickering and an angry public backlash.