Whoever meddles in a quarrel not his own is like one who takes a passing dog by the ears (Prov 26:17).
The Obama administration is contemplating military intervention in Syria. Before that, it intervened militarily in Libya.
Should the US intervene to quell Muslim civil wars? I don’t see how that promotes our national security. To the contrary, when Muslims are busy killing other Muslims, they’re too preoccupied to focus on killing Americans. It’s beneficial to our national security when Muslims view fellow Muslims as the enemy. So let them have at it.