(Bloomberg) — Europe should pool its resources in areas like defense and climate as its productivity growth falters and the world fragments into rival blocs, European Central Bank President Christine Lagarde said.Most Read from BloombergIn Cleveland, a Forgotten Streetcar Bridge Gets a Long-Awaited LiftAmtrak Wins $300 Million to Fix Its Unreliable NJ-to-NYC ServiceParis to Replace Parking Spaces With TreesA Bug’s Eye View of Mexico City’s Modernist ArchitectureNYC Congestion Pricing Plan WithRead More