Meg Whitman made her debut on the campaign trail as Hillary Clinton’s most vocal Republican supporter at a Tuesday event in Denver and didn’t mention Donald Trump’s name once. Jewel Samad, Getty Images fileRepublican Meg Whitman, the chief executive of Hewlett Packard Enterprise and a 2010 candidate for governor of California, made her debut on the campaign trail today and endorsed Hillary Clinton. The Hewlett-Packard executive and former California gubernatorial candidate declared she is “all in” for Clinton.