U.S.

Immigration agents are rounding up Central American families who entered the U.S. illegally within the past two years. They are mainly mothers with children whose asylum claims have been rejected.

"Will the folks on Wall Street like me? No. Will they begin to play by the rules if I am president? You better believe it," Sanders said Tuesday.

The Obama administration says it's targeting some Central American families who've arrived since last summer. Immigrant advocates are preparing other groups as well for the possibility of deportation.

Some in the community of Burns, Ore., welcome the attention on long-running conflict between ranchers and the federal government. Others question the out-of-town militants' tactics and goals.

When it comes to dam safety, human eyes are still one of the best tools to recognize problems — so in some areas, workers live in remote locations to watch over the water supply.