Officials in Moldova’s Russia-backed breakaway region of Transnistria appealed to Moscow for protection Wednesday, as tensions escalate with the pro-Western government.Moldova, a candidate to join the European Union, imposed new customs duties on Jan. 1, 2024 on imports to and exports from Transnistria, which borders Ukraine and is not recognized by any United Nations member countries, including Russia which maintains close ties to the region.On Wednesday, members of the Transnistrian congress used a rare meeting in the regional capital, Tiraspol, to ask the Russian Duma to “implement…