Latley I've had success with our programs of focusing on simple and concise questions. This moves the conversation for all the handwaving and technical solutions back us to the core issues of success.
These 5+1 questions need to answered with a credible set of artifacts that show that the project team actually understands whatr DONE looks like.
If you can not answer these in the afferimative, then the project is in trouble before you start.