INTERVIEW Failure to secure a bigger winning majority for the BN in the 13th general election than its 2008 result will put Prime Minister Najib Abdul Razak at risk in the next Umno elections - but the challenge will not from his deputy Muhyiddin Yassin. <br /> <br />If a challenge is mounted against Najib, it would be from the second echelon leaders, veteran journalist and one time Umno strongman Abdullah Ahmad said in an interview with Malaysiakini last week. <br /> <br />http://www.malaysiakini.com/news/193823