The threat of violence by an UMNO-linked coalition of goons against demonstrations set for August 29-30 raises the risk that the party is willing to spill blood in its campaign to save Malaysian Prime Minister Najib Razak's job.
Jamal Md. Yunos, a 41-year-old minor tycoon who says he owns 25 companies is also head of the Kuala Lumpur Petty Traders Action…