Mitt Romney’s favorable rating, according to the new Wall St. Journal/NBC poll. And there is even worse news for the putative GOP nominee. Among independents, the voters who will likely decide the election in November, Romney’s approval is six points lower — just 22 percent. If something about these disastrously low numbers for a national politician have a ring of familiarity, it may be that they call to mind the approval ratings of George Bush in the final years of his presidency, including his all-time low favorable rating of 25 percent, in 2008, according to Gallup. In fact, George W. Bush was the most unpopular president in the history of presidential polling. Now it’s looking like Mitt Romney could become the most unpopular nominee for the presidency in history.