What is the standard of review for striking a prior conviction under section 1385?

"Because the circumstances must be 'extraordinary . . . by which a career criminal can be deemed to fall outside the spirit of the very scheme within which he squarely falls once he commits a strike as part of a long and continuous criminal record, the continuation of which the law was meant to attack' [citation], the circumstances where no reasonable people could disagree that the criminal falls outside the spirit of the three strikes scheme must be even more extraordinary." (People v. Carmony, supra, 33 Cal.4th at p. 378.)

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"[A] trial court's refusal or failure to dismiss or strike a prior conviction allegation under section 1385 is subject to review for abuse of discretion." (People v. Carmony, supra, 33 Cal.4th at p. 375.) "This standard is deferential. [Citations.] . . . [I]t asks in substance whether the ruling in question 'falls outside the bounds of reason' under the applicable law and the relevant facts [citations]." (People v. Williams (1998) 17 Cal.4th 148, 162.)