House Republicans Spent Millions Of Dollars On Benghazi Committee To Exonerate Clinton

You're right

The difference between Benghazi and the many Americans killed in a number of terrorist attacks under Republican administrations is just which party is in office.

It's actually worse than simple Politics. It's a distraction of Conservatives. While Fox News keeps people focused on Democrat scandals rather than the Democrat-Left agenda, the Left is freed to advance their agenda.