Same here. Joined Nov 21 2019, still have it.

There are IMHO valid reasons for that:

• To not bring direct traffic to anti-Trump websites;
• To not let the admins of such websites know what pages exactly are linking to them.

Post archived links to the articles, not direct links to them. That must be the reason.

Special indelible pencils exist; they are also used in some countries for voting purposes. https://en.wikipedia.org/wiki/Copying_pencil

Good suggestion, thanks. There are several, actually, here's one: https://open.spotify.com/playlist/7ldY3lb6txcJfOIDJvvo8x

Is there a full list of the songs played in the Trump rallies?

You might be onto something, I had a similar impression. Try saving the video somewhere and lowering the pitch by around 4% with an audio editing program.