The common truth is the name of the website the article is on.
http://thecommontruth.net/the-truth/-the-facts-on-ted-and-heidi-cruz-clearing-the-myths
See, thecommontruth.net
Who are they? Who funds that website?
Inquiring minds want to know.
I think you are confused. Maybe you should find the actual person that posted a link to that article and ask them.