In May 2007, three months after her husband declared his presidential candidacy, Obama reduced her professional responsibilities by 80 percent to support his presidential campaign. Early in the campaign, she had limited involvement in which she traveled to political events only two days a week and rarely traveled overnight; by early February 2008 her participation had increased significantly. She attended thirty-three events in eight days. She made several campaign appearances with Oprah Winfrey. She wrote her own stump speeches for her husband's presidential campaign and generally spoke without notes.