['Bob K., who call himself a "liberal realist," defines the term ... In praise of the post-WWII American security umbrella ... Bob K.\'s preferred China policy ... Have spheres of influence returned? ... How great powers treat international law ... Bob K.: Mainstream American realists are actually moralists ... Bob W.: America would be better off if it consistently respected international law ... Should democracy promotion be a US foreign policy goal? ...', 'Bob K., who call himself a "liberal realist," defines the term ... In praise of the post-WWII American security umbrella ... Bob K.\'s preferred China policy ... Have spheres of influence returned? ... How great powers treat international law ... Bob K.: Mainstream American realists are actually moralists ... Bob W.: America would be better off if it consistently respected international law ... Should democracy promotion be a US foreign policy goal? ...']