Russian officials voiced fear Wednesday that the rise of the Republican party could threaten President Barack Obama’s “reset” of relations with Russia. “We all understand the reason for this [defeat]: disappointment that Obama isn’t a magician,” said Sergei Markov, a senior legislator from the ruling United Russia party. “ Unlike voters in the U.S., we in Russia already knew he wasn’t a magician.” He and other Russian officials voiced fear that the rise of the republican party could threaten Mr. Obama’s “reset” of relations with Russia. On Wednesday, the chairman of a key committee in the Russian parliament said it...