Whether she announces now or next year, she should keep her legacy positive, and avoid any chance of the California Senate seat being lost.

From Hitchhiker's Guide to the Galaxy

These tales of impending doom allowed the Golgafrinchans to rid themselves of an entire useless third of their population. The story was that they would build three Ark ships. Into the A ship would go all the leaders, scientists and other high achievers. The C ship would contain all the people who made things and did things, and the B Ark would hold everyone else, such as hairdressers and telephone sanitisers. They sent the B ship off first, but of course, the other two-thirds of the population stayed on the planet and lived full, rich and happy lives until they were all wiped out by a virulent disease contracted from a dirty telephone

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Someone, I don't recall who and I won't bother searching, said "Personal is Policy" -- I guess we now know the personal.