<div><img width="300" height="169" src="https://readwrite.com/wp-content/uploads/2026/09/wallach-urges-california-prosecutors-to-take-on-kalshi-300x169.webp" class="attachment-medium size-medium wp-post-image" alt="Editorial illustration of a California courthouse confronting a prediction-market legal challenge" style="width:100%;height:56.25%;max-width:1200px;margin-bottom: 15px;" decoding="async" srcset="https://readwrite.com/wp-content/uploads/2026/09/wallach-urges-california-prosecutors-to-take-on-kalshi-300x169.webp 300w, https://readwrite.com/wp-content/uploads/2026/09/wallach-urges-california-prosecutors-to-take-on-kalshi-900x506.webp 900w, https://readwrite.com/wp-content/uploads/2026/09/wallach-urges-california-prosecutors-to-take-on-kalshi-260x146.webp 260w, https://readwrite.com/wp-content/uploads/2026/09/wallach-urges-california-prosecutors-to-take-on-kalshi.webp 1200w" sizes="(max-width: 300px) 100vw, 300px" /></div>
<p>Attorney Daniel Wallach urges California tribes to enlist local prosecutors against Kalshi under California's Unfair Competition Law.</p>
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