The news headline that is most clearly biased is "Congressman Squeals Under Pressure".
Biased means "unfairly prejudiced for or against someone or something".
The abovementioned news headline is biased because it is highlighting a bigoted view against the Congressman. All the other options contain facts that cannot hold a biased view.
To know more about the word biased here
https://brainly.com/question/26501863
#SPJ2