Now to recap the major stories of the day. The United States is pinning the blame for the crash of a passenger jet in Ukraine on pro-Russian separatists. President Obama said today that Malaysia Airlines Flight 17 was shot down by a surface-to-air missile from an area controlled by the separatists. Mr. Obama called for a cease-fire to allow for a full investigation.
I live in Tucson, Ariz. National news about thousands of unaccompanied minors crossing the U.S.-Mexico border — some as young as 2 years old — is local news here. A front-page headline from this week's Arizona Daily Star reads, "Immigration tension boils over in Oracle." It's subtitled "Protesters, supporters, clash; bus carrying children fails to show."
The crash site of the Malaysia Airlines flight in eastern Ukraine holds many important clues about what happened to the plane. But that site is under the control of pro-Russian separatists who are suspected of involvement in shooting the plane down.
The rebel fighters say they are giving access to investigators, including those from the Ukrainian government, though one Ukrainian official who visited the scene Friday said he was not given full access.
Here are some of the key questions on the investigation into Flight MH17: