Tenses

I found this tag interesting:

Clemens rejoins Yankees: Roger Clemens makes dramatic announcement to fans during Sunday's game.

Fascinating. Certainly, 'makes' should be 'made', but it isn't and it doesn't have to. Why, well this is news writing and sometimes in news writing the present tense is used when talking about an event that has occurred in the past. This plays right into my thinking about grammar being linked more directly to genre or form than it is to any formulation of Standard English.