The talk in Washington is that President Obama, after highlighting immigration, gay marriage, gun control, global warming, and other issues in the first weeks of his second term, will “pivot” to an emphasis on jobs and the economy in his State of the Union address. That’s nothing new for Obama. Throughout his term, as he concentrated on policy initiatives, like passing a national health care scheme, that were not centered on jobs and the economy, the president and his aides have promised to “pivot” back to the public’s number-one concern. This is just one more time. Here are a few examples in headlines — by no means a comprehensive list — from the last three years…