Weiss told the reporting team that she wanted a Trump Administration response on air as part of the story. Sharyn Alfonsi said that they tried to get the administration to give a response, but they refused. It turns out that the administration did respond and Alfonsi lied or at least misled Weiss. That is the scandal, not Weiss delaying the story.
If that lefty worked for me, she would be out the door in less than 10 seconds. Disagreements with your boss remain in house, always. Lying to your boss compounds the error in judgment and makes it a firing event.