The book, 107 Days, details Harris’s effort to secure the Democratic nomination and her campaign against President Donald Trump. Former President Bill Clinton reportedly told Harris he was “relieved” by Biden’s decision and encouraged her to “make this your own campaign.” Harris said Clinton pledged to campaign on her behalf. According to her notes, Obama told Harris:“Saddle up! California Governor Gavin Newsom reportedly told Harris he was “hiking” and never followed up. Michigan Governor Gretchen Whitmer told Harris she wanted “to let the dust settle” before making a statement.