All About McCain

[Alex]

They were both first referred to as Senator on first mention and then Mr. on all later mentions (of the individual, when talking about the campaign of either no title is used).

It is standard Times style.

For example, this sentence:

In another part of the advertisement, Mr. McCain maintains that Mr. Obama’s sole achievement in education was the sex-education bill.

ETA: Whoops, missed the next page.