Wilmington (Delaware) [US], September 22 (ANI): Following the conclusion of the QUAD (Quadrilateral Security Dialogue) leader’s summit 2024 on Saturday (local time), US President Joe Biden expressed his confidence in the dialogue and said that despite challenges and changing worlds, the “Quad is here to stay.” Taking to social media platform X, Biden said that after four years subsequent to his proposal to elevate the Quad, the four countries–India, the US, Australia and Japan–are strategically more aligned and have more positive impacts across the Indo-Pacific than earlier. “Four years afte…