ABC News (7/15/14) put a piece on its website headlined "Everything You Need to Know About the Israel/Gaza Conflict." What's interesting about it is all the things they think you don't need to know.
For example, what is the relationship between Israel and Gaza? All ABC says is that Gaza has been "governed since 2007 by the militant group Hamas…which rejects the existence of Israel." So apparently you don't need to know that Gaza is largely populated by the descendants of refugees who used to live in what is now Israel.
Nor do you need to know that Israel invaded Gaza in 1967, establishing a military occupation and an attempt at colonization that lasted decades. Or that despite pulling troops out the territory in 2005, Israel continues to illegally occupy Gaza–according to the United Nations–because it maintains effective control over the area, maintaining an economic blockade and controlling Gaza's airspace and territorial waters.
You also don't need to know that Israel has previously launched full-scale military assaults on Gaza, or that the most devastating attack, in 2008-09, killed 1,391 people, including 344 children. It's not necessary for you to be aware that over the past five years, Palestinians killed by Israelis have outnumbered Israelis killed by Palestinians by 14 to 1.
You don't need to know any of that–so ABC didn't tell you.