A year ago this month, Arizona Governor Jan Brewer signed SB 1070 into law, effectively pushing an already vibrant anti-immigrant movement to a new extreme. Over the following months, immigrant rights advocates prepared for the worst, and grappled with multiple setbacks as other states threatened to follow Arizona's example.

Last week marked the centennial of the infamous Triangle Shirtwaist Factory Fire, in which 146 mostly immigrant workers died. The tragedy prompted widespread labour reforms in the United States, but its commemoration underscores the plight of immigrant workers similarly exploited today.

As Richard Greenwald notes at Working in These Times, the disaster marked "the moment that a strong collective working class demanded its citizenship rights," while today, "we are living in a time where organized labor is weak, fractured and leaderless." He concludes that a rebirth of labour must come, as it did in 1911, from today's new immigrant communities, which continue to bear the brunt of exploitative labour practices.

Arizona's business leaders, frustrated by the deep financial fallout of increasingly radical immigration proposals, successfully swayed state lawmakers into defeating five extremist anti-immigrant bills.

New America Media's Valeria Fernández reports that 60 executives from the likes of WellsFargo bank and U.S. Airways penned an open letter to state Senate President Russell Pearce last week, urging him to leave immigration policy to federal government. Julianne Hing at Colorlines.com has posted the letter in full, but here's the gist: