The most damaging charge against the two men is that they risked their country’s fortunes to feed their egos. 引述分句倒裝，是由于直接引語短的原故，所以謂語前不加逗號嗎？

按常規是需要加的。但由于這是括號里的補充說明，省略也是可以的。和作者寫作習慣有關。