Texas Governor Enlists National Guard to Help With Border Crisis; Weird Al Targets Internet Fans
Middle East Crisis: The Israeli Ground Incursion in Gaza; 45th Anniversary of the Moon Landing
Experts weigh in on what happened to downed flight; Israel launches offensive in Gaza.
Head of the CDC , Tom Frieden goes before Congress; and break-in at the Kennedy compound.
Malala's mission to bring back kidnapped Nigerian schoolgirls, technology that tracks sharks.
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