Weekend Edition Sunday guest host Linda Wertheimer talks with Ira Hyman, a professor of psychology at Western Washington University, about his new study. He investigated "earworms," songs that get stuck in your head, and why they lodge themselves in our brains.
The political consultants need to get paid, and that direct mail needs postage. Then there's the website and the campaign staff. These are the things candidates in the upcoming Virginia primary are spending big money on.
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