Project management is a critical skill in today's fast-paced business environment. It involves planning, organizing, and overseeing resources to achieve specific goals and objectives within a defined timeline and budget. 

To answer the discussion topics, you are required to conduct research using the course textbook, Library, and/or the Internet.

Answer the following questions:

1. Identify an organization that resulted in failure in meeting one of its core project objectives (schedule, budget, or performance specification).
2. Identify one of the project plan elements listed in the textbook that could have contributed to the project's failure because it was not executed properly.
3. Could changing the methodology to "agile project" help or hurt the effectiveness of the project? Please explain.

Make sure you are supporting your answers fully with research, including citations and references.