Washington, District Of Columbia -
(NBC News) Hillary Clinton seemed to make a not-so-subtle hint about her future Tuesday during the first stop of her nationwide book tour, saying the book "Hard Choices" isn't just about the tough decisions she's had to make in the past.
Many at the signing were overheard encouraging clinton to run for president again, a decision she says she'll make later this year.
While the book doesn't deal with her next campaign, she does write about her last one, including her refusal to attack Sarah Palin in the early days of her candidacy.
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