What is the test for reviewing for abuse of discretion in a criminal case?

"In reviewing for abuse of discretion, we are guided by two fundamental precepts. First, ' "[t]he burden is on the party attacking the sentence to clearly show that the sentencing decision was irrational or arbitrary. [Citation.] In the absence of such a showing, the trial court is presumed to have acted to achieve legitimate sentencing objectives, and its discretionary determination to impose a particular sentence will not be set aside on review." ' [Citations.] Second, a ' "decision will not be reversed merely because reasonable people might disagree. 'An appellate tribunal is neither authorized nor warranted in substituting its judgment for the judgment of the trial judge.' " ' [Citations.] Taken together, these precepts establish that a trial court does not abuse its discretion unless its decision is so irrational or arbitrary that no reasonable person could agree with it." (People v. Carmony (2004) 33 Cal.4th 367, 376-377.)

A prior serious felony conviction can be dismissed only if the defendant falls "outside the . . . spirit" of the three strikes law. (People v. Williams (1998) 17 Cal.4th

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