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PBS News Hour
How could the H-1B visa program be improved?
President Trump called on Tuesday for U.S. agencies to “buy American and hire American” and signed an executive order targeting H-1B guest worker visas, which help find foreign labor to fill technical jobs. Critics say the visa system is being abused. William Brangham talks to Economic Policy Institute's Daniel Costa and Vivek Wadhwa of Carnegie Mellon University Engineering at Silicon Valley.
