Legislation passed May 25 by the U.S. House of Representatives could make it more difficult for NASA to get relief from a 2000 law barring the U.S. space agency from buying Soyuz crew capsules and other goods and services from Russia.

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Brian Berger is editor in chief of SpaceNews.com and the SpaceNews magazine. He joined SpaceNews.com in 1998, spending his first decade with the publication covering NASA. He was named senior staff writer in 2004, a position he held until being named...