[Texas_Jarhead]

"...a temporary-worker program would give aliens an incentive to come out of hiding and let them work legally for six years before being forced to return home."

Sure they'll go home. If we give then six years then why not 10 or 20 or hell, how 'bout we just say that they absolutely must leave whenever they feel like it.

[Panerai]

"If we give then six years then why not 10 or 20 or hell" - Unfortunatelly as of right now the most likely scenario is that in 6 years we could be in the Hillary Presidency, and who believes she would send anyone back. As a matter of fact who believes Bush would turn anyone back, he hasn't so far and it's only his second term.