"... but won’t necessarily move us any closer to resolving the big security questions that the United States faces in the 21st Century."
Nobody is willing to put in layman language the essence of these big security questions. Loss of hegemony is not a security question. Loss of ability to extract value from other's resources & work are not security questions. Unless we are talking about the security of the plutocratic regime at the core of the US polity, and its possible demise if the abuse and exploitation of the world turns more and more inwards.
"... but won’t necessarily move us any closer to resolving the big security questions that the United States faces in the 21st Century."
Nobody is willing to put in layman language the essence of these big security questions. Loss of hegemony is not a security question. Loss of ability to extract value from other's resources & work are not security questions. Unless we are talking about the security of the plutocratic regime at the core of the US polity, and its possible demise if the abuse and exploitation of the world turns more and more inwards.