Donald Trump has promised legal action in the coming days as he refused to concede his loss to Democrat Joe Biden, making an aggressive pitch for donors to help finance any court fight.Trump and his campaign have levelled accusations of large-scale voter fraud in Pennsylvania and other states that broke for Biden, so far without proof.But senior officials, campaign aides and allies told The Associated Press that overwhelming evidence of fraud isn’t really the point.The strategy to wage a legal fight against the votes tallied for Biden in Pennsylvania and other places is more to provide Trump with an off-ramp for a loss he can’t quite grasp and less about changing the election’s outcome, the officials said.