So Japanese scientists want to drill into Earth's mantle....

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I, for one, think it's a brilliant idea.

Think of the things that could be learned, and could be applied for safety measures against volcanoes, earthquakes and such. Literally a plan with no drawbacks, bar possibly the monetary cost.
Link meets Fire Emblem in CYOA: Tales of Elibe! Come read, and find out what happens! Click below!
http://www.gamefaqs.com/boards/468480-fire-emblem/74841835