Blast in St. Louis this morning killed three and injured four when an explosion launched a boiler the size of a van through the roof of a box company and slammed it down in a laundry business.

At this hour in Louisville, Kentucky, visitation underway for police officer killed in fiery collision. He's the second officer to be killed in Louisville in line of duty. The 30-year-old officer leaves behind a wife, 2-year-old son and newborn daughter.

If new legislation gets passed, a tax exemption would go to FFA and 4-H members for first $5,000 they earn from projects.