What is the relevance of "legitimate foreign governments" and the higher education exception?
No conscription for a terrorist attack, basically. Only in the case where, say, Mexico invades us.. or Iran or whoever... but Al Qaeda? No.
Higher education: It only applies to those already enrolled so they can finish their studies. When they graduate, they'd be eligible to be drafted. Even if they are planning to go to grad school or something. It's just so they don't get pulled out of school in the middle of it.