There is an interesting talk in Info.com by Ken Schwaber.
Ken is a co-author of the agile manifesto and co-inventor of Scrum.
If you don’t want to listen for an hour, move the slider to 29 minutes – the section on magic thinking and lies. If you get hooked, you can come back to the first 29 minutes later.
Of course, if your organization doesn’t have problems with scheduling and politics, you won’t need this.