At the caucus, participants gathered in groups among presidential preference.

Congress then has a maximum of 90 days to decide whether it wants to reject the presidential preference.

Maybe not, if a newly released Presidential preference poll is to be believed.

In still others, delegates may be elected because they are well liked, regardless of their Presidential preference.

The delegates can state their presidential preference and in that way be elected on a candidates "ticket"

Democrats are lining up to take sides; so far, more than 100 Democratic lawmakers have declared their presidential preferences.

Shown are all vice presidential preferences who were the first choice of 5 percent or more of the delegates.

The Republican nomination contest marked the introduction of the presidential preference primary.

A nonbinding straw poll of Presidential preference is conducted and reported.

On the contrary, they are binding and determine the proportion of delegates received by each Presidential preference.