Iran issued a threat to a U.S. aircraft carier, today, which further complicates the tense relationship between the two countries. The threat comes just a day after Iran performed naval maneuvers in the Strait of Hormuz.
Republican presidential candidates prepared Tuesday for their first major test of the primary season, making last-minute whistle-stops throughout Iowa in hopes of swaying many undecided caucus-goers.
Later tonight, Iowa Republicans will gather to cast ballots for the person they want to stand against President Obama in November. But after a bruising months-long campaign, more than a third of those participating in the caucuses say they still haven't made up their minds.
More than half of American public schools don't have a full-time nurse, and the situation is getting worse as school systems further cut budgets. This year, 51 were laid off in Philadelphia's public schools, 20 in a Houston suburb, 15 in San Diego and dozens more in other school systems nationwide.
Other schools have reduced their school nurse staffing.