9 AM ET: Trump's immunity plea, global warming alarm, inhaler price probe & more

Former President Donald Trump is expected in court today, as Nikki Haley trims his lead in the polls. The world came dangerously close to a key temperature target last year. Israel's president says his country will defend itself at a genocide trial this week. Another US citizen has been detained in Russia. Plus, lawmakers are asking why some inhalers are so expensive in the US.

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