Americans should welcome Egyptian President Abdel Fattah el-Sisi’s pledge to support the Sunni Arab kingdoms against regional instability. His pledge will help deter Iran from violent escalation.

And el-Sisi’s pledge was certainly unambiguous: “We stand by our brothers in the Gulf wholeheartedly, and if Gulf security is directly threatened by anyone, the Egyptian people, even before their leadership, will not accept that and will mobilize forces to protect their brethren.”