Gov. Deval Patrick is heading to the White House to meet with President Obama amid speculation he is among those being considered for a Supreme Court post.

An event added to his official schedule for today has him attending an auto emissions announcement with the president. It had not been on the governor’s schedule before Monday. His staff had only said he was traveling to Atlanta for a biotechnology conference.

Another possible Supreme Court contender – Michigan Gov. Jennifer Granholm – is also expected to be at the White House today for the auto emissions event. It was not known if Obama planned to meet with Patrick or Granholm about the Supreme Court seat being vacated by retiring Justice David Souter.

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