Question: Nelson W. Aldrich of Rhode Island, whom Lincoln Steffens once called the arch-representative of protected, privileged business.
Nelson W. Aldrich lives in Rhode Island.

Answer: yes

Question: In addition, opportunities may exist that will enhance agencies' ability to attract and retain talent at all levels.
Agencies have the chance to hire talented people at all levels.

Answer: yes

Question: But there's no doubt he can throw light on one or two obscure points in young Beresford's letter.
The letter was perfectly clear on all points so we don't need his information.

Answer:
no