… the end of the transition period [i.e., before Dec. 31, 2020 or, if extended, Dec. 31, 2021 or Dec. 31, 2022] as part … what commitments might help, consistent of course with the principles set out in this letter.” Johnson spoke by phone … request an extension of the UK’s exit date to Jan. 31, 2020. But then, this is the long-running, possibly …