National News

Top Stories: Malaysia Jet Remains Missing; Turkey's Leaders Split On Twitter Ban

Good morning.

Our early headlines:

-- Nothing So Far In Search For Debris From Malaysian Jet

-- Split Decisions: Ukraine Signs Up With EU, Russia Wraps Up Crimea

As Russian soldiers walked one way in the distance, a departing Ukrainian soldier carried some of his belongings Friday at a military base in Perevalne, Crimea.

Split Decisions: Ukraine Signs Up With EU, Russia Wraps Up Crimea

There will be few days that better symbolize the crisis in Ukraine.

On Friday:

As Ukrainian Prime Minister Arseniy Yatsenyuk was signing an agreement on closer relations with the European Union ...

... Russian President Vladimir Putin was signing the laws his country has put in place to take Crimea from Ukraine and make it part of the Russian Federation.

Searching from the air and on the sea: The view Friday from a Royal Australian Air Force P-3 Orion. The Norwegian car transport ship Hoegh St. Petersburg is below. They're part of the search in the southern Indian Ocean for Malaysia Airlines Flight 370.

Nothing So Far In Search For Debris From Malaysian Jet

We have woven some updates into this post.

Two weeks after the disappearance of Malaysia Airlines Flight 370, the first "credible lead" in the search for the Boeing 777 and the 239 people on board is still just that — a lead, not a discovery.

Does Diversity On Research Team Improve Quality Of Science?

Romney's Job In Idaho: Prevent GOP Voters From Veering 'Wild Right'

Energy Deal With Russians Puts Some In Germany On Edge

U.N. Report: All Sides Committing Atrocities In Syria

Obama Heads To The Hague For Nuclear Summit

The TALON MAARS (Modular Advanced Armed Robotic System) can be transformed from a weaponized robot to one with an arm and gripper by changing out its modules.

When Robots Can Kill, It's Unclear Who Will Be To Blame

The fast-advancing field of robotics is opening up serious questions about the military-based motivations behind some of the coolest tricks our machines can now be programmed to perform.

The Defense Advanced Research Projects Agency, DARPA, helped create the Internet. But these days, DARPA is probably best known for its robotics contests. Its latest robotics challenge was inspired by the Fukushima nuclear disaster, which happened three years ago.

Taliban Militants Attack Kabul Hotel, Killing 9

Four gunmen attacked a luxury hotel frequented by foreigners in Kabul, Afghanistan, on Thursday, killing nine people before being killed themselves. Two security guards were also wounded.

The assailants were killed after a standoff in the Serena hotel's restaurant.

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