R to @NathalieTocci: Increasingly, the trans-Atlantic relationship is going to become an alliance among many other alliances, says @AdeHoopScheffer. The United States and Europe ha

Increasingly, the trans-Atlantic relationship is going to become an alliance among many other alliances, says @AdeHoopScheffer. The United States and Europe have been recently learning to diversify their strategic partnerships in an unprecedented way. Why?