A dramatic shift in U.S. policy is shaking Europe’s security — and raising a bigger question: Can Europe defend itself without America?  The U.S. is planning to withdraw around 5,000 troops from Germany, while also putting key weapons plans — including long-range Tomahawk missiles — on hold.  For decades, those troops and systems were central to NATO’s deterrence strategy.   What changed? The move comes after tensions escalated between Washington and Berlin — including sharp criticism from