Since the invention of TV, candidates cannot ignore the visual messages they give voters. A voter often chooses a candidate she deems more "presidential" looking.
Appearances first became important during the 1960 election between John F. Kennedy and Richard Nixon. At the first televised debate, Nixon's sweaty upper lip and five o'clock shadow, compared to Kennedy's tanned and youthful appearance, gave Kennedy an intangible advantage.
Pollsters are paying attention to which candidate voters perceive as more presidential this election season.
Do you vote for the candidate that looks like a president?