How are you deciding whether a source is right or left leaning? Is the rating a manual process based on some set of factors, or are you using an external rating source?
IMO, Media Bias Fact Check [0] is on of the better external rating sources if you haven't come across them before.
IMO, Media Bias Fact Check [0] is on of the better external rating sources if you haven't come across them before.
[0] https://mediabiasfactcheck.com/