Feb. 7, 2024: Colorado plaintiffs on case to keep Trump off ballot; Climate change and ocean acidity

Tomorrow, the U.S. Supreme Court hears the Colorado case to keep Donald Trump off the state's primary ballot. Krista Kafer and Norma Anderson are two of the plaintiffs. Then, Colorado researchers on how climate change is changing the acidity of the Antarctic Ocean. Also, the largest air pollution penalty in state history. And "Hooked" explores how easy it is for teens to get tobacco products.