The Spanish government rejected the Mexican president's demand, suggesting Spain's invasion of the Americas shouldn't be judged through our modern lens.
The Republican-controlled Senate on Tuesday held a hearing about extreme risk protection orders, which are supposed to prevent pre-planned mass violence and firearm suicides.
Last year, a government watchdog report found that about 13 million American children went to schools where officials discovered lead in their drinking water. Now, advocacy groups have graded states' school water policies.
Experts have already warned that the territorial defeat of the self-declared caliphate does not mean that the war is won. Afghanistan offers a warning of how ISIS could resurge.