LOS ANGELES (Reuters) - Fall Out Boy unveiled plans for a new album and world tour on Monday, three years after the pop punk band's four members announced a hiatus to pursue solo projects. "This isn't a reunion," the band said on its website, "because we never broke up." The new album, "Save Rock and Roll," will be available worldwide on May 6-7. A tour kicks off Monday night in Chicago. A new song, "My Songs Know What You Did In the Dark (Light Em Up)," is available on iTunes. "When we were kids the only thing that got us through most days was music," the band's website statement said. ...