He in his radio appearance on Monday charged that when the Japanese prime minister talked nonsense that "there was no way but to write Tok Islets as 'Takeshima' in textbooks for primary and middle schools" while the present chief executive was paying a visit to Japan in 2008, the latter asked the former just to wait for his action.

The lawmaker declared the above-said statement was, obviously, a target of impeachment as it meant giving up a duty to defend Tok Islets.

Accusing Chongwadae and the "Grand National Party" of continuing to keep mum about that issue, he added "it is clear that their attitude is to hush up the case at any cost."