Sen. Bernie Sanders, I-Vt, felt he had to enter the presidential race because of his dislike of the Hillary Clinton campaign, a new book reveals.
The book, "Shattered: Inside Hillary Clinton's Doomed Campaign," was written by The Hill's Amie Parnes and Sidewire's Jonathan Allen. It was released on Tuesday and details why Sanders felt he had to run for president, the Hill reports.
Sanders "couldn't stand the idea of Hillary pulling the country back into the Clinton White House years," the authors wrote.
"His feelings about her, which were less than positive, revolved around policy differences and revolved around her allegiance to an old form of campaigning relying on big money and the people who raise it for you," a source close to Sanders said, according to the book.
"This kind of campaigning, of going to rich people and asking them for money and modulating your policies in a way that didn't inspire people, that was a losing formula. In terms of him not liking stuff about her, that's what he disliked the most."
Sanders, who had a strong showing during the primaries, eventually dropped out and endorsed Clinton.
Later he was asked by the Clinton campaign to appear in an ad on her behalf, according to one of the Hill's reports on the book.
The spot would end with Sanders uttering her campaign slogan: "I'm with her."
"It's so phony!" Sanders said, according to the book. "I don't want to say that."
And he didn't.
But the commercial was later shelved by the Clinton campaign after he did film it, according to the book.
"People didn't feel that it was an authentic pitch for her and what she wanted to do. It even had some backlash in folks saying that he's not really supporting her," an unnamed Clinton aide said.
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