This is the comment on the Mother Jones entry:
"There is consensus that Mother Jones is generally reliable. Almost all editors consider Mother Jones a biased source, so its statements (particularly on political topics) may need to be attributed. Consider whether content from this publication constitutes due weight before citing it in an article."
They acknowledge it is a biased source and they make a distinction between reliability and bias. Not familiar with the publication.
They acknowledge it is a biased source and they make a distinction between reliability and bias. Not familiar with the publication.