WASHINGTON AP – Chief Justice John Roberts swore in President-elect Barack Obama as president of the United States on Tuesday with a slight stumble over the wording of the oath of office in the first of what could be many important interactions between two men who rose to their positions of power quickly and who have some background similarities, but whose politics differ.

Separated by a Bible used by Abraham Lincoln at his first inaugural, Roberts asked Obama: “Are you prepared to take the oath, Senator”