“This case presents the following issues: (1) Does the Three Strikes law (Pen. Code, §§ 667, subds. (b)–(i), 1170.12) violate the separation of powers doctrine by requiring prosecutors to plead and prove prior qualifying felony convictions? (2) If there is a duty to plead prior qualifying convictions, is mandamus the proper remedy to compel a prosecutor to act?”
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