Since Hamas’s brutal attack against Israel on Oct. 7 and the resulting Israeli military campaign in the Gaza Strip, tensions and hostilities across the Middle East have reached fever pitch. And with such a complex regional crisis playing out, it should not come as a surprise that the Biden administration is reconsidering its military priorities in the region.It should be cause for significant concern, however, that this could involve a full withdrawal of U.S. troops from Syria. While no definitive decision has been made to leave, four sources within the Defense and State departments said the White House is no...