• Employees of online retailer Amazon are on strike in front of the company's branch in Leipzig, Germany, Tuesday, May 14, 2013.

    The union behind the strike is urging Amazon to adopt wage agreements similar to those governing retail and mail-order workers. 

    LAST UPDATE : May 14, 2013, 12:54 PM EDT
  • In this Feb. 2, 2011 file photo, Sen. Orrin Hatch, R-Utah speaks on Capitol Hill in Washington.

    Silicon Valley wants to be able to easily bring skilled labor into the country, but organized labor fears the loss of protections for U.S. workers.

    LAST UPDATE : May 13, 2013, 10:29 PM EDT