US News: The US is deeply committed to the Quad partnership as it is a linchpin and a cornerstone of the US global strategy as a nation, said US secretary of s.

US Secretary of State Marco Rubio called Tuesday for a revival of joint cooperation with Australia, India and Japan -- the so-called Quad grouping viewed suspiciously by China --…

NEW DELHI: US Secretary of State Marco Rubio was to meet Tuesday with Australia, India and Japan to revive the so-called Quad security alliance — viewed suspiciously by China —…