Why is the main stream media still refusing to ask the hard questions regarding Benghazi-gate?

With all the new whistle-blowers coming forward and showing not only that additional security was denied to Ambassador Stevens, but the Ambassador had sent emails and cables to Hillary Clinton and the State Department detailing the fact that several Al-Qaeda groups were operating in Benghazi and had infiltrated the security forces, how can the media continue to pretend the murder of our Ambassador and 3 other men never happened?

They are still refusing to ask things I (for one) what to know BEFORE the election.

1) Where was President Obama? He stated that he issued orders that "help be sent", but the help was DENIED 3 TIMES. Why???

2) Why did Obama hop on Air Force 1 and go to a fundraiser in Las Vegas instead of following up on this terrorist attack?

3) Since it is now apparent that the situation room in the White House was monitoring the attack in real time, whose idea was it to try to blame this attack on that stupid You Tube video and deny it was a terrorist attack for almost 3 weeks? (A blatant lie!)

4) What is everyone covering up? Why is the White House stonewalling?

I can say for sure that I would NEVER vote for the President without knowing what the administration is so intent on hiding!