Why Does Obama Like Hiding Things?

President Obama must be a masochist because he gets beat up on the stupidest things.
Obama gets beat up because he refuses to turn over his college records.
Obama gets beat up because of his refusal to release his birth certificate.
Obama gets beat up because of the secrecy of the health care bill.
All of the above are mall potatoes but this next one could be extremely serious.
Obama keeps on stonewalling on the Joe Sestak allege bribe. Sestak was running in a primary when he was offered a job from the Obama administration, or so he says. No other details are known because Sestake has been silent with the exception saying that the job offer was made and Eric Holder and Robert Gibbs try to ignore the subject. Obama refuses to answer the question.
So, is Obama a masochist or just plain incompetent?