False. There is no law saying the President, or Vice President has to say 'So help me god', or even use a bible. He can take the Oath with his hand on a comic book and it would still be valid.
The 'cure' for crime refers to the effort that society made to 'correct' the criminals so they could functioned back to the society. During the process a lot of prisons for example, chose to conducted several inhumane methods (such as torture or forced them to work in toxic environment)