[Not single-page.] For some, reclaiming her old seat has become the sine qua non of her recovery, part of its definition. In the book she offers a simple, heartfelt declaration: “I will get stronger. I will return.” But there are other options if it takes longer than expected. One of the daydreams floating through the corridors of Washington these days is that Kelly will step in. “He’s really accomplished. And there’s the popularity that both of them enjoy. Plus his biography would make him compelling,” said an influential Democrat. Kelly was already speaking for her, endorsing candidates on her behalf, which led to media reports like “Mark Kelly and Gabby Giffords support …” It was a version of Bill Clinton’s buy-one-get-one-free boast about Hillary.