Trump appeals Colorado ballot ban to Supreme Court

Former President Trump is asking the nation's highest court to overturn Colorado's ruling banning him from the ballot. Also, explosions kill more than 100 people in Iran. The president there is pointing the finger at the United States. Is the war in the Middle East about to get much bigger? Also, OutFront is live tonight in Iowa as Nikki Haley and Ron DeSantis face some tough questions with days to go before the caucuses. Who has more momentum?

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