This reminds me of what a teenager would say after knowingly bending or omitting the truth: I wasn’t lying, I just didn’t tell you the whole truth.
I might also add, that this article is itself falling into the same trap. If the author (or editor) truly believed the punchline of this story (that the whole truth needs to be presented rather than lies by omission), they would be better served to say “Republican & Democratic election campaigns both twist the truth.” After all, this article references both campaigns. And I’m not sure falsehood is the right word either.
“The growing number of misrepresentations appear to reflect a calculation in both parties that shame is overrated, and that no independent arbiters command the stature or the platform to hold the campaigns to account in the increasingly polarized and balkanized media firmament. Any unmasking of the lies or distortions, the thinking goes, rarely seeps into the public consciousness.: via Ryan’s Speech Contained a Litany of Falsehoods – NYTimes.com.