An ethics inquiry has found that US vice presidential candidate Sarah Palin abused her power by pressuring subordinates to fire a state trooper involved in a feud with her family.
John McCain, casting himself as an independent consensus-builder, took on Washington and his own party Thursday, promising Americans that "change is coming."
Barack Obama's campaign used a carefully calibrated two-track approach to respond to the sharp attacks from Republican vice-presidential candidate Sarah Palin.
The US presidential campaign has turned even nastier, with candidates John McCain and Barack Obama blaming each other for the deepening US financial crisis.