I can’t help wondering what dictionary the compiler used for this one. I wasn’t convinced by FOOT for PAY (6d), RAT for SINGER (7d) or TAG for QUOTE (31d) either.
One of the states in New England is Rhode Island, which isn’t actually an island. I think that’s what is being referred to here, but I’d be happy to be corrected if anyone else has a more plausible explanation.
40d So ready and willing too support English (9)
Is this 'Therefore'?
51a Something frowned on in court that whoppers and howlers have in common? (7,8)
I think this is 'Leading question' but I don't under the stuff about whoppers and howlers.