This is the equivalent of saying "I'm sorry your face ran into my fist":
What, exactly, did he say (if you live under a rock)?
"I sincerely regret that my words were misinterpreted to wrongly imply anything negative about those in uniform, and I personally apologize to any service member, family member, or American who was offended," he said in a written statement.
Let's look at what an apology is, shall we?
"You know, education -- if you make the most of it, you study hard and you do your homework and you make an effort to be smart, you can do well."If you don't, you get stuck in Iraq."
–noun, plural -gies.
1. a written or spoken expression of one's regret, remorse, or sorrow for having insulted, failed, injured, or wronged another
He's not regretting his actions, he's regretting the consequences of his actions. That is not the same thing.
Update: Hoo-ya y'Armay had this to say...