Sentence:  I believe that the Opposition, devoid of any argument of any weight in the debate, determined to have Parliament engage in a trivial <WSD>navel-gazing</WSD> exercise regarding who said what to whom, rather than to focus on the issue of whether or not members accept the sworn evidence of an honourable member of the House. 
Meaning of the word marked with <WSD> tags:  Excessive focus on oneself; self-indulgent introspection. (from 1950s)