Now some fresh pickings from the Political Grapevine: Video Members of a bipartisan group of lawmakers called the Congressional Prayer Caucus want to make sure President Obama knows the country's national motto. Forty-one Republicans and one of the five Democrats from the caucus sent a letter to the president asking him to correct a mistake he made during a speech last month in Jakarta, Indonesia when he said -- quote -- "In the United States, our motto is E Pluribus Unum -- out of many, one." The lawmakers point out the official national motto -- approved by Congress in 1956...