Saudi Crown Prince Mohammed bin Salman called US President Donald Trump on Wednesday to congratulate him on his inauguration and discuss key regional issues and investment opportunities, Saudi Press Agency (SPA) reported.MBS conveyed warm regards on behalf of King Salman, expressing optimism about President Trump’s leadership and its potential to foster progress for the American people. For more Saudi news, visit our dedicated page.According to SPA, the two leaders discussed Middle East security and ways to deepen cooperation on issues like combating terrorism and promoting regional stability.The Crown Prince also reiterated Saudi Arabia's commitment to expanding its economic relations with the US, specifically outlining plans for investments worth $600 billion over the next four years with potential for further growth, SPA added.MBS also expressed confidence in Trump’s economic policies, stressing that they present a historic opportunity for prosperity in both countries. Saudi Arabia,