TODAY 8a: Candidates clash at GOP debate. TODAY team recreates iconic photo. Artificial sweeteners vs. sugar. TODAY gift guide fan-favorites.

<p>Top moments and highlights from last night’s fourth GOP debate in Alabama – with frontrunner Donald Trump absent once again. Also, the TODAY team tries out one of New York City’s newest attractions atop of 30 Rock. Plus, Your Health: A guide to help you cut back on sugar and understand the difference between sugar and artificial sweeteners. And, Shop All Day contributor Chassie Post shares some great holiday gift deals.   </p>