A reader calls our attention to this sentence from Saturday’s (Dec. 29, 2007) page 2A: There may be biological reasons why. To this reader and others, the phrase “reason(s) why” is an example of redundancy. The sentence would work just fine and sound better without “why.” However, the sentence above is not ungrammatical. Avoiding redundancy is a matter of style. Another often cited example of redundancy is “consensus of opinion.” We copy editors are trained to fix redundancy, along with faulty grammar, unclear constructions, misused words and a million other problems. Still, readers will find plenty of examples in[.....]