Help for the following, please:
ACROSS:
6 Wacky as a Cold War souvenir? ( 3,3,4 ): ???T?E?A??
25Virus spread by very old Russian leader who goes on and on(8): S?R?????
27 No subsidy for us, being without a monocle? ( 7,3 ):
??A?D?????
Many thanks in advance!