Will John E. Sununu be the Republican nominee for Senate in New Hampshire?

John E. Sununu has formally entered the Republican primary race for the U.S. Senate seat in New Hampshire, as reported by AP News and The Washington Post AP articlePost article. The New York Times noted that he was exploring a run, which has now materialized into an official bid NYT article. However, no information is provided about the strength of other potential candidates, polling data, or endorsements that would indicate his likelihood of winning the nomination. Given that he is a former senator and has name recognition, he may have a slight advantage, but the primary field is unknown and competitive uncertainty remains high. Therefore, the probability that he becomes the nominee is estimated to be slightly above 50%.