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President Obama is on a three-day swing through Iowa, and Republican vice presidential nominee Paul Ryan visited the state on Monday. We'll look at why Iowa could be a crucial state in the general election.
Tens of thousands of people around the world have said they want to go to Mars, even if it means they will never return to Earth. Dozens of them were in the crowd Tuesday night at the Fitzgerald Theater for Science Night Minnesota — Mission to Mars. Read about Science Night.