Look at the NYTs coverage of the genocide in gaza ("boohoo poor israel, self defense") and general media coverage Bernie Sanders (doesnt exist until he has no chance of winning something, pretending hes more outspoken now even though he's been saying the same thing for the last 60 years)
Use a VPN. On the American side try to find any signs of bad past news on Trump. Now do it from another country on the VPN. See the difference before your very eyes. You can also do this on TikTok and probably get similar results.
You're going to have to be more specific. There is no network-level filtering of content at the network delivery layer in the US and US can access any international hosts if the host permits it.
Search engines do have regional awareness (that can basically always be changed as a setting) to deliver more local results. I suspect this on social media platforms is what you're referring to. It's not exactly censorship, but they definitely promote with an agenda.
Don't get me wrong, Trump and Republicans are fascists who deserve the worst fate and would gladly setup this kind of system, but it's not like there's a network component to censorship like you see in China and some other dictatorships (yet).
Source: I'm always traveling and on VPNs from all regions of the Earth
There was an article out there about how protests this year have been consistently twice as many as in 2017. Show him that and then ask him if he's seen it covered in the news.
You can't really provide hard evidence that "the news is censored" to someone who doesn't want to believe that, because the term "censored" is subjective.
As in, reasonable evidence would be a peer reviewed study of media bias, of which there are many, but a "skeptic" can reject that evidence on the grounds that it doesn't meet their definition of censorship.
A more meaningful conversation would be to ask whether news sources have bias, and which are more biased than others and in which way.
The term "censorship" implies a big secret not being told, which isn't my impression of what's happening. Rather, there's a constant conservative spin on everything that happens.
Sadly, I suspect you might be about to discover that you can't change your partner's political alignment. I'm in my 40s, and in my age group you're either lucky enough to share political views with your partner, or you ignore the issues you disagree on, or you separate.
E.S. Herman and Noam Chomsky's book Manufacturing Consent is a great place to start. You can skip most of the book honestly, (it's out of date), but the "5 Filters" part is like a decoder ring for American Legacy Media.
One of the easiest ways might be to have him take a look at an app like GroundNews, which displays biases of publications and shows blindspots in the media according to political lean. The biases and differences in headlines, presentation, language used, and what stories get reported at all by any given publication become very apparent.
Words to watch out for are things like "attacked", "bashed" or "slammed" instead of "criticised"; "forced" instead of "chose", eg "company forced to cut jobs"; "muzzled" or "gagged" instead of perhaps "censored". The implied violence charges the story emotionally, it's the most common form of news manipulation. They're trying to make you feel - usually fear or anger - rather than think.
My only complaint about Ground News (and most media bias meters in general) is that factual papers will almost always be listed as left-leaning. Because the Overton window has shifted so far to the right that cold hard facts presented exactly as they happened with zero spin now has a left-wing bias.
What exactly do you mean by "news is censored"? Are you saying that certain stories aren't getting the kinds of traction you think they should be getting? Or, are you saying that major events are not being covered at all because the government is threatening news organizations that cover them?