Rachel Barkow questions how Clinton primary voters could not support Obama

In a June 27 op-ed in The Huffington Post, Rachel Barkow points out that despite polls showing that Barack Obama has won over more than half of Hillary Clinton's supporters, nearly 40 percent plan to vote for John McCain or are undecided. With women's rights at stake, she writes, "a protest vote as a way of decrying sexism simply doesn't make sense."