2nd language
For studying anything International Relations or affiliated studies a second foreign language would be a great help. Of course i have English. Spanish would be a good choice though. It's still fresh in memory from my time in Argentina. My level is far from enough still.
I have here Rosetta Stone Latin American Spanish Level 1 and 2 . Will start on that and see what level you end with. After that i can always find something more advanced if necessary.
Good i bought that headset!