Beijing has confirmed receiving the cremated remains of historic Communist Party spies from Taiwan and hailed the “patriots” as providing encouragement in its pursuit of reunification. Zhang Han, a spokeswoman for the mainland’s Taiwan Affairs Office, noted on Wednesday that the ashes had been returned before the Ching Ming Festival, a tomb-sweeping day that falls on April 5 this year, and days before the expected visit of Cheng Li-wun, chairwoman of Taiwan’s main opposition party, the...