Secretary of State Marco Rubio has taken on dual roles in two key national security positions as part of President Donald Trump’s comprehensive overhaul of U.S. foreign policy. Rubio has been appointed to temporarily replace Mike Waltz as national security adviser, signaling a significant shift in the administration’s approach to national security matters. This move underscores the administration’s commitment to reevaluating and restructuring key positions within the national security apparatus. Rubio’s appointment reflects Trump’s strategic vision for reshaping the country’s foreign policy landscape and addressing pressing national security challenges. As Rubio steps into this critical role, it will be interesting to observe how his leadership and expertise will influence the direction and priorities of U.S. national security initiatives. This development marks a pivotal moment in the administration’s efforts to strengthen and optimize its national security infrastructure, with Rubio poised to play a central role in guiding these transformative changes. Published on [monthFull] [day], [year].