> How else can you explain why a time-consuming and expensive BA is still considered more desirable than one of the trades, many of which offer comparable or ev

> How else can you explain why a time-consuming and expensive BA is still considered more desirable than one of the trades, many of which offer comparable or even better income prospects? http://en.wikipedia.org/wiki/Griggs_v._Duke_Power_Co http://en.wikipedia.org/wiki/Griggs_v._Duke_Power_Co.