Mike Kingsbury of the Service Employees International Union offers the exclamation point-rich blog post "What a week for immigration reform!" (seiu.org/2009/05/what-a-week-for-immigration-reform.php). He's so excited he forgot to think things through, saying this about the recent immigration marches: Why we as citizens don't do this more often, I don't know. I do know that putting a floor under the most vulnerable workers in this country will help maintain a standard of living for all of us. And this year's May Day theme emphasizing America's immigrant history - immigrant roots, immigrant...