Many in Europe are holding their breath as they watch US voters head to the polls to elect their next president. For decades, the quadrennial ritual on the other side of the Atlantic has been followed with interest, excitement, and even a certain degree of respect. The United States is, after all, the oldest democracy in the world and Europe’s main security guarantor, granting the tenant of the White House influence over the Old Continent’s political future. But this curiosity has morphed into concern and in some cases, outright dread. Europe is staring down a fierce fight between Kamala Harri…