If hearing about yet another suicide bombing in Iraq depresses you, and you’ve stopped listening to the radio or watching the news on TV, you might have missed Sen. Hillary Clinton’s announcement on Monday that, if elected, she would set a goal of finding a cure for breast cancer within 10 years.

Clinton said that her administration would provide an annual $300 million per year in research funding to, among other entities, the National Institutes of Health, with the goal of making that...