Saudi newspapers highlighted in their editorials today a number of issues at local, regional and international arenas. Al-Riyadh, Al-Yaum and Okaz newspapers commented on the three summits held in Riyadh, saying that the visit of the US president to Riyadh on his first foreign tour confirmed that Riyadh has become a global center for international decision-making, a central station in building alliances, and a cornerstone in confronting extremism, renouncing violence and preserving the world peace. The paper noted that solid political and security efforts in the era of the Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud are based on an impressive and ambitious vision of development and a robust, rising and cohesive economy; adding that political and security alliances are supported by massive economic and investment visions.