This Court has held that, "[w]hen a plea rests in any significant degree on a promise or agreement of the prosecutor, so that it can be said to be part of the inducement or consideration, such promise must be fulfilled." Santobello v. New York, 404 U.S. 257, 262 (1971). Under Santobello, does the government violate a plea agreement, when it significantly deviates from its guidelines calculation in that agreement by seeking additional enhancements at sentencing based on information it had in its possession at the time of the guilty plea, without expressly warning the defendant prior to his plea that it may do so?

Whether the government violates a plea agreement under Santobello v. New York when it significantly deviates from its guidelines calculation by seeking additional enhancements at sentencing based on information possessed at the time of the guilty plea without expressly warning the defendant