US-Presidential Election 2008 and the cost of failed policies of Republican President Bush Barack Obama, winning more than 2206 delegates (including 441 superdelegates) has succeeded to clinch the Democratic Presidential nomination and Clinton, the most successful female Presidential candidate in US history, ended her courageous campaign with an emotional speech, asking her voters to get behind Obama, endorsing his nomination and giving her full support to him. Oba——————————————————————————— 1. A lower interest rate gives you less interest to deduct on your income tax, which may increase your tax payments and decrease your total savings from refinancing.