Across Europe, officials are tracking a spate of suspected sabotage--from GPS jamming in the Baltic to attacks on public infrastructure in Czechia--attacks believed to tie back to Russia. Meanwhile, a senior U.S. diplomat warns that most Americans don't appreciate just how much foreign disinformation they're consuming in their social media even while one of America's elite university's shuts down its Internet observatory--designed to study and educate about the threat.

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