[pjc50]

Obviously this isn't true; any analysis would require first trying to establish where "left" and "right" might be, then looking at media ownership, and also referencing the extreme Overton Window effects of the US.

Biden/Harris are center-right candidates, which probably contributed to them winning the election, and definitely contributed to them winning the primaries.

(also you'd need to disentangle "left" and "liberal"!)