Israel invades the gaza strip.

The ultimate weakness of violence is that it is a descending spiral. Returning violence with violence only multiplies violence. Adding deeper darkness to a night already devoid of stars.

The problem with the US getting involved is that it would only further violence, and in fact would likely escalate things. The Middle East is already a tumultuous environment. The only involvement the US should have is to broker peace between the two of them. So while you're suggestion [MENTION=68]DrRusty[/MENTION] might seem like a move necessary by the only super power capable of interceding, it's too risky of a move in a region that is ready to implode.