When Caroline Kennedy endorsed Barack Obama in 2008 as her father's rightful heir, she laid upon him the mantle of Camelot and the enduring mystique of John F. Kennedy, who, according to polls, continues to be America's most beloved president.
Electoral contests have nothing but polls, which is why people have grown so obsessed with them; we're desperate for an objective rendering of what is happening and what may happen.
If the characters on 'The West Wing' were watching a TV show wherein a character like Trump was leading in the polls, they wouldn't find it believable.
America is inundated with polls. We need a term for being swamped with polls. I would say 'poll-arized,' but that's already in use to describe our political divisions.