1. Hamas has called for Hizballah to get involved, and ISIS is showing signs that it wants to get involved — but so far neither has actually happened yet.
Hamas is taking a pounding from the Israel Defense Forces. Its tunnels are being discovered and destroyed. Its rockets are being shot down by Iron Dome before they can do much harm to Israeli civilians. Hamas knows that it cannot stand up to the IDF directly, and that it cannot face the IDF alone. The trajectory that this war is on ends with Hamas decimated, if Israel is allowed to finish the job this time.
So Hamas is calling for Hizballah to attack Israel from the north. Hizballah has problems of its own, chiefly the Syria civil war and the threat to its patron Assad in Damascus. So far, Hizballah has lobbed in a few rockets but has not done anything meaningful. If it did, though, Israel would face a two-front war. It could win, but a second front makes it more difficult for Israel to finish off Hamas as a fighting force, and it increases the chances of civilian casualties which the terrorists and their media allies will exploit against Israel.
ISIS, the radical caliphate that the Obama administration has allowed to fester in Iraq, has announced that it wants to join the fight in Gaza. But Jordan stands in the way. But Jordan is weak and has unrest of its own to worry about.
It’s not out of the question that ISIS could infiltrate in sufficient numbers to launch attacks and even open up an eastern front against Israel. The prospect of a three-front war is real. Israel has faced far worse odds before and won, but it’s better that Israel go ahead and destroy Hamas without delay, than to go for a cease-fire that gives its enemies time to consolidate and coordinate.