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A vegetarian diet can be healthy for kids, but parents need to learn nutrition basics to make sure their children get all of the nutrients they need, experts say. Iron is the nutrient vegetarians and vegans most often don't get enough of.

In key races across the nation, candidates won -- and lost -- in part because of the television and Web ads they ran. The Message Machine looks at nine ads that were truly unique and really made a difference in the 2010 campaign.

Several tight races are in states with significant black populations, giving black voters an uncommon chance to tip statewide contests. To rouse black voters, Democrats are "fighting fire with fire" to counter what they call a racial undercurrent in rhetoric from Republicans and Tea Party activists.

For all the hand-wringing and breathless forecasts, the oil spill does not appear to have done lasting political damage to the president or his party. Still, every day President Obama was forced to spend on the spill was a day he couldn't devote to his own agenda.

Along with their often sketchy claims, there's another common thread in this year's political ads -- they repeat the same lines in state after state and district after district as the major parties hammer home just a few themes.

Most of the noise about the new health law on the campaign trail is coming from opponents.

Remake is Just Not the 'Right One'

For billions of years, the environment and how it affected organisms' genes was the key to evolution. But in the past 10,000 years, for humans at least, genetic evolution has been nudged aside by something more powerful.

The Government Accountability Office report on 15 for-profit colleges earlier this month found that all 15 misled students and four engaged in fraudulent behavior. We look at the role of for-profit colleges in the U.S. educational system; the findings of the report and what questions students should be asking when they enroll.

French Do Zombies Proud