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Dalia Grybauskaite

Collective defense is suddenly a hot topic at EU summit

Talk of joint efforts to defend Europe is on the lips of EU leaders after decades of leaving collective security mostly to the United States and NATO.

Nobody is suggesting a joint European army, with thousands of tanks and combat planes displaying the EU's star-studded logo. But at a summit in the Slovak capital on Friday, heads of 27 countries named common defense as one of the goals needed to bring the bloc forward as it looks to shake off a sense of inertia.

"There is no continent, there is no union, if there is no defense of what we are when it comes to values and interests," French President Francois Hollande declared.

German Chancellor Angela Merkel...