When US President Donald Trump was about to begin his closely watched summit with his Chinese counterpart Xi Jinping last month, he wrote a social media post that revived a decades-old concept about the dynamics between the two countries and their role in global affairs.
“The G2 will be convening shortly,” he wrote – in all caps – ahead of the talks.
The term “G2”, or Group of Two, emerged in the 2000s as a proposal for Washington and Beijing to work together to address global challenges. Over…