After years of tense relations with President Bashar al-Assad, Saudi Arabia has adopted a bolder approach towards Syria, prompted by rival Iran’s growing regional influence.

The kingdom recently brought Syrian political and armed opposition factions together for unprecedented talks in Riyadh, the culmination of months of maneuvering by the Sunni Muslim power.

The step highlighted Saudi Arabia’s rising profile in efforts to end the war in Syria, where Shiite Iran gives military and financial support to Riyadh’s longtime opponent Assad. […]