For months, Rabbi Yehuda Kaploun, the Trump administration’s special envoy to monitor and combat antisemitism, has worked to fold the State Department’s Holocaust envoy office into his own, a congressional source told the Jewish Telegraphic Agency. That effort would absorb the State Department’s Office of the Special Envoy for Holocaust Issues, which oversees U.S. policy on Holocaust-era restitution, education and remembrance, into Kaploun’s off…