There are two possibilities why Dr Mahathir Mohamad replied to a parliamentary question on behalf of Finance Minister Lim Guan Eng when they both attended the sitting yesterday, claimed BN's Ayer Hitam MP Wee Ka Siong.

If a prime minister had to answer on behalf of a minister during a question-and-answer session in the Dewan Rakyat, then the prime minister must have thought that his subordinate is incompetent, Wee said...