The criticisms against Liu straddle genuine concerns about influence and mundane xenophobia, but there's a bigger section 44 question here.
It's well known that business and politics cannot be separated in China. But, for once, Canberra is not standing by while the rights of an Australian are infringed.
The Australian government is, rightfully, speaking out about the treatment of Yang Hengjun, but Julian Assange has been left in the 'too hard' basket.
Scott Morrison was playing nice over the weekend, but Australia has proved time and time again that it's hard-pressed to respect Timor-Leste's sovereignty.
Successive Australian governments have snubbed, time and again, south-east Asian countries. This represents a potentially significant problem for Australia's strategic foothold in the region.
Four Corners got the facts straight on how the Witness K scandal was born, but there is more to the story.
Protests and counter-protests across the country have proven the CCP has more internal support than Australia bargained for.
Conflicts are hurtling toward us. But what is the response from the foreign policy establishment? Absolutely nothing of consequence.
Not since Bob Hawke granted asylum to Chinese students living in Australia following the Tiananmen Square massacre has Australia's relationship with China been so fraught.