The AUD/USD news can be seriously affected by the decisions taken by this organizations and people: Reserve Bank of Australia (RBA) that issues statements and decides on the interest rates of the country.
However, the most important defense is the dissertation defense which comes at the end of a long and arduous process and which may have unfolded over a number of years. The dissertation defense is a significant milestone signaling closure on your graduate student career.
After successfully completing both parts of the exam, the student must turn in a dissertation prospectus (about 20 pages) to his or her committee, and complete 12 hours of directed research and 12 dissertation hours leading up to the dissertation defense.