Why are two courts of appeals located in Washington DC?

The D.C. Circuit's prominence and prestige among American courts is second only to the U.S. Supreme Court because its jurisdiction contains the U.S. Congress and many U.S. government agencies, and therefore it is the main appellate court for many issues of American administrative law and constitutional law.

d.he wanted to send diplomats to communist countries.

"the attempts of the proletariat to rise above this abasement"