By Mr. Curmudgeon:Here in battleground Florida, Obama received something of a shock. The Orlando Sentinel newspaper, which happily endorsed him for president in 2008, announced it is backing his Republican challenger in 2012."Economic growth, three years into the recovery, is anemic. Family incomes are down, poverty is up. Obama's Republican challenger, Mitt Romney, highlighted these and other hard truths in this week's second debate," said the Sentinel in its lead editorial on Friday, "We have little confidence that Obama would be more successful managing the economy and the budget in the next four years."The newspaper even engaged in a little...