He has also often focussed on the challenges to US power around the world .
Rachman has a strong interest in East Asia and the rise of China , and has repeatedly warned that inflexibility on the part of both China and the USA may lead to conflict .
Rachman has also often focussed on the challenges to USA power around the world .
Rachman has a strong interest in East Asia and the rise of China , and has repeatedly warned that inflexibility on the part of both China and the USA may lead to conflict .