When it comes to the fiercely political British director Ken Loach’s latest film, “The Old Oak,” a bit of classic Hollywood promotional language comes to mind: Ken Loach is “The Old Oak.” Because seemingly forever, the sturdiest, tallest figure in the cinema of working-class struggle has been Loach, the man behind such raw, forthright classics as “Kes,” “Riff-Raff,” “The Wind …
