evidence: Each State's Certificates of Ascertainment confirms the names of its appointed electors. A State's certification of its electors is generally sufficient to establish the qualifications of electors. [...] Choosing each State's electors is a two-part process. First, the political parties in each State choose slates of potential electors sometime before the general election. Second, during the general election, the voters in each State select their State's electors by casting their ballots. [...] It is rare for electors to disregard the popular vote by casting their electoral vote for someone other than their party's candidate. Electors generally hold a leadership position in their party or were chosen to recognize years of loyal service to the party. Throughout our history as a nation, more than 99 percent of electors have voted as pledged.