WASHINGTON - To the U.S. technology industry, there's a dramatic shortfall in the number of Americans skilled in computer programming and engineering that is hampering business. To unions and some Democrats, it's more sinister: The push by Facebook's Mark Zuckerberg to expand the number of visas for high-tech foreign workers is an attempt to dilute a lucrative job market with cheap, indentured labor.]]>Thu, 16 May 2013 13:40:45 -0400