Sentence:  As the noble Lord, Lord Tebbit, will know, we have in Northern Ireland what we have referred to over the years as "<WSD>whataboutery</WSD>". When one talks about the atrocities of the IRA, someone from the other side will say, "Ah, but what about?" I have lived with that for 30 years in Northern Ireland. There is a lot of "<WSD>whataboutery</WSD>". 
Meaning of the word marked with <WSD> tags:  Protesting at hypocrisy; responding to criticism by accusing one's opponent of similar or worse faults.