"...secret donation meetings with ultra-rich Chinese followed by selling out your allies to curry favor with the same people in the sale of hi-tech companies,.."
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A variation of this very topic, and criminal investigations of politicians are top news items in New Zealand and Australia.

When will they be fully investigated in Canada?

The hemming and hawing as well as the abject inconsistencies and falsehoods surrounding the sale of the high-tech communications company in Vancouver to a Chinese entity that has been stopped from similar purchases in the UK is both shameful, and in need of a criminal investigation.