What feature might a first person narrator have that a third person narrator may not have? details
bias
reality
dialogue

it's probably dialogue

It's either bias or reality

Explanation:

not sure though

every four years the american people choose a new president, and 1988 is one of those years."

the switch in narration increases the proximity of the narrator to the main character and the reader can perceive information only through the filter of a single character.