The pope is falsely asserting that Christianity and Communism are identical.
I have never heard any pope make this claim. Can you provide the reference that indicates which pope said this, and when or where?
In Communism, the bosses steal everything from the people, and leave them destitute, while they live like fat cats.
That is not communism. That is authoritarianism. Communism is an economic arrangement, and says nothing about governmental rule. I don't know of any country that has been communist without also being authoritarian in rule, so you're partially right: every country that has ever been communist has also been authoritarian, and this is exactly what happens. However, there are smaller communities that are able to be communist (economically) while maintaining non-authoritarian rule.
The Kibbutzim in Israel are one example. And there are intentional communities throughout the world. I know of several in the US. Not all of them are religious, but of course the above example is religious.
And Communism has failed everywhere,
Again, only when used on a national level. Yes, it has failed everywhere it has been tried
on a national level.
yet the stupid (or evil/stupid) American Leftists think it will work in America.
Most American Leftists these days, whether they are stupid, smart, or of average intelligence, and whether they are evil or good, know that pure communism won't work in the US.
There are very few Communists in the US today. The current membership of the Communist Party USA has between 5k and 10k members. That means at BEST it's 0.003% of the population. Not even 1/1,000th of 1%. Pretty pathetic.
Socialists? Well, now we're up to about 92k. Still significantly under 1/10th of 1%. But if that's enough to scare you, then by all means, you may start another thread about it. Somewhere else. Not here. That's not what this thread is about. Feel free to rant on and on about how horrible Americans are if you like. I won't stop you. But that would be very much off-topic from this thread.
I'm talking about small, intentional communities -- no more than maybe 100 people at most, and preferably fewer -- who share everything they have in common, and work toward a common goal with God at their center.
This has nothing to do with any nation, including the US.
This has nothing to do with authoritarianism.
This has nothing to do with politics.
This is strictly Scriptural. In case you missed it, the OP includes a direct quote from Scripture. Not Lennin. Not Marx. Scripture.
If you'd like to talk about Lennin or Marx, please do so elsewhere.