Icahn steps up fight with Occidental over deal, wants board seats

In a regulatory filing, Icahn said he planned to oust and replace four Occidental directors and change the company's charter through a stockholder consent solicitation to prevent it from ever engineering a similar takeover again.Responding to the filing, Occidental said it will review the latest materials filed by Icahn, and looks forward to addressing them in ongoing conversations with shareholders.Icahn, one of industry's most powerful activist investors, cast himself as one of the deal's most