Source- https://news.vice.com/it/article/frasi-assurde-donald-trump
This is an Italian article. If you view it in chrome and click translate to english it is a word for word copy/paste
Not citing sources is plagiarism, and copying pasting articles without permission is copyright infringement. If you want to share a news story, simply link to the source, and include your original commentary, and possibly a few small quotes from the source.
There is nothing wrong with sharing an article you like, just make sure to let people know you copied/pasted it so they don't mistake it for original content.
Apparently the majority of the articles posted by this person are just translations of Italian articles translated to English and then copy/pasted here