Harce, the UCP MLA's ad hominem attacks on two expert economists were an attempt to discredit their arguments by casting aspersions on their character. (susanonthesoapbox.com)
Such strategy could only result in thoroughly discrediting the argument, and even the doctrine it was intended to support. (religion-online.org)
I could easily be convinced that there are interests at work in the BBC intent on discrediting any arguments relating to the case for climate change instigated by humans. (newscientist.com)