Well, that was amazingly fast. The White House has already responded to the petition concerning unlocking mobile phones, and said that mobile phone unlocking should be legal. If you don't remember, the Librarian of Congress (who technically is a part of the executive branch, working for the President) decided to remove the DMCA exemption for mobile phone unlocking, turning it into a possible copyright infringement risk. There was plenty of outrage, which led to a White House petition getting the necessary 100,000 votes.
The White House has quickly sided with the petitioners:
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Via Chuck Sherwood, Senior Associate, TeleDimensions, Inc