AS the Pentagon has tacitly acknowledged its secret anti-vax campaign, a scandal is simmering. Why did requested witnesses avoid Sen. Imee Marcos' hearings? Does Manila have a legal recourse? Did the Pentagon campaign set the stage for the U-turn in US-Philippine military relations?

At the height of the Covid-19 pandemic, the US military launched a secret campaign to discredit China's Sinovac inoculation in the Philippines and several other countries in Southeast Asia, Central Asia and the Middle East, according to a June 14 Reuters investigation.