Mitt endorsement less than ringing
I totally agree with your final conclusion to endorse the Romney/Ryan ticket but not your seeming lack of enthusiasm for it. Also, the depth of your assessment is, in my opinion, inadequate.
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However, for an opinion page news article, perhaps you covered as much as practical (not enough space to devote to a large number of key issues) and wanted to give your Obama-supporting readers a bit of a soft landing.