He explains why it's important not to have too narrow a definition of bias.

NPR: Fudging the Numbers on Hate Crimes

Messrs Aguiar and Hurst think that the hours spent at your employer's are too narrow a definition of work.

ECONOMIST: Why Americans have plenty of time to read this

Were you concerned about that, that the law has created too narrow a definition of what a good education is?

NPR: Reauthorizing No Child Left Behind: Schools React

The court thought that definition was much too narrow: didn't less fancy outlets, such as Safeway, also sell organic food?

ECONOMIST: Economics focus

Some governments believe that convention's definition of persecution is too narrow - they want to be able to grant refugee status, for example, to women and children who are fleeing physical abuse.

BBC: EU backs action on illegal migrants

The Catholic Church had argued that original definition of a religious organization was too narrow.

WSJ: Obama Health Law Contraception Opt-Out Proposed

Oracle said the DoJ's definition of the business software market was too narrow, and did not take account of emerging competitive threats from Microsoft and numerous smaller suppliers.

BBC: NEWS | Business | Oracle rustles Microsoft-SAP plan

She warned that the definition of domestic violence proposed in the bill was "too narrow" and could mean victims would be left without support.

BBC: Peers inflict further legal aid defeats