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This is CBS, I in the world.

I'm John Batcher, the unthinkable.

A Chinese invasion of Taiwan,

ending decades of doubt about what Xi Jinping is going to do

once he has command.

However, it would begin a nightmare that has details.

And I come to Gordon Chang, my colleague and co-host first,

to ask because Gordon travels widely

and speaks to people of military affairs.

Gordon, your understanding of Washington right now

and Washington in the near past

is it thinking that this is possible,

probable an invasion of Taiwan,

...