Former Florida governor Jeb Bush (R) is essentially tied with Wisconsin Gov. Scott Walker (R) in early primary and national polls. While he is cleaning up with big donors, Politico suggests some just are not sold: “Reliable top-tier Republican donors in Orange County — one of the nation’s most lucrative fundraising locales — are leery of committing until they get a better feel for Bush’s electability. … That keep-the-powder-dry approach represents a stark difference from the county’s embrace of Romney, who raised more than $40 million from California for the 2012 cycle.” Meanwhile, Bush’s likability ratings are nothing to write...