A dual American-German citizen appeared Sunday in federal court in Brooklyn on charges that he attempted to firebomb a branch of the U.S. Embassy in Tel Aviv, according to law enforcement officials. Joseph Neumeyer arrived in Israel in April and on May 19 he posted on his Facebook account, “ Join me this afternoon in Tel Aviv we are burning down the US. embassy ” and “ join me as I burn down the embassy in Tel Aviv.... Death to Americans and f---the west, ” according to a criminal complaint. Th