The Nebraska Senate GOP field is beginning to take shape this week, as one Republican moves toward entering the race and another appears likely to seek a different office. According to The Associated Press, Midland University President Ben Sasse filed paperwork Monday with the Nebraska secretary of state's office to incorporate "Ben Sasse for U.S. Senate." If Sasse, who has been on a statewide listening tour, has filed with the Federal Election Commission, it is not yet available online. Meanwhile, sources close to Pete Ricketts, a wealthy businessman and 2006 Republican nominee for Senate, indicated that he is leaning toward seeking the governorship rather than another bid for Senate. Leavenworth Street, a conservative blog in Nebraska, reported July 18 that Ricketts is all but officially running for governor. (more…)