Why was there a need to assign bodyguards to the navajo code talkers? ?

So they couldn't be captured and interrogated, and the enemy could then learn the language they spoke over and know the orders given to US troops. 

One is a soap and the other a bird

Opposition to the nra came to a head in 1935, when the conservative supreme court declared the agency unconstitutional, claiming the nra gave the executive branch regulatory powers that belonged exclusively to congress. this decision began a series of court decisions that overturned key elements of the new deal.