Googling “the Christian teaching on lying” leads to a piece on the CBN (Christian Broadcast Network) web site by J. Steven Lang. In part:
But people know instinctively that they should tell the truth. We certainly expect it from others, knowing that the world can’t function if no one is trustworthy. The Bible takes lying so seriously that one of the Ten Commandments forbids it:
“Do not testify falsely against your neighbor.”
In a public life, does failing to condemn a public lie condone it?