Mitt Romney added to his lead in the race for convention delegates Tuesday with a win in the Arizona Republican presidential primary. Romney also won the Michigan primary, but it was unclear who would win the most delegates in that state.
The owner of an Ohio nuclear plant along Lake Erie says a lack of exterior weatherproofing coating caused concrete to crack in the outer shell protecting the plant.
FirstEnergy Corporation told the Nuclear Regulatory Commission that the exterior cracking at the Davis-Besse plant near Toledo traces back to a 1978 blizzard when wind, rain and a drastic temperature drop caused moisture to penetrate the concrete. The Blade newspaper reports the utility says the moisture caused the concrete to freeze and expand, prompting the cracks found in October.
Republican presidential candidate Rick Santorum says the 2012 election is about freedom and stopping government interference in the lives of Americans. The former Pennsylvania senator spoke to about 500 people at a hotel in Perrysburg in northwest Ohio on Tuesday, a week before the state's primary. Santorum says oil prices are rising while the Obama administration blocks access to fossil fuels that could lower prices and help the economy.