Prospectus excerpt:  We are offering to the public 4,000,000 shares of our 8.125% Series A Cumulative Redeemable Preferred Stock, which we refer to in this prospectus supplement as the Series A Preferred Stock. Dividends on the Series A Preferred Stock will be cumulative from, and including, the date of original issue and payable quarterly, beginning on or about July 15, 2007, at the rate of 8.125% of the liquidation preference per annum, or $2.03125 per share of Series A Preferred Stock per year. However, if following a "change of control," the Series A Preferred Stock is not listed on the New York Stock Exchange or the American Stock Exchange or quoted on NASDAQ, investors will be entitled to receive cumulative cash dividends from, but excluding, the first date on which both the change of control has occurred and the Series A Preferred Stock is not so listed or quoted at the increased rate of 9.125% per year of the $25.00 liquidation preference (equivalent to $2.28125 per annum per share) for as long as the Series A Preferred Stock is not so listed or quoted.