By JULIE HIRSCHFELD DAVISASSOCIATED PRESS WRITER
WASHINGTON -- Congress and the White House struggled to clear the final obstacles on a $15 billion bailout of the auto industry on Tuesday, seeking agreement by day's end followed by swift passage.
The unresolved issues concerned the precise extent of the authority to be given to a powerful new auto czar named by President George W. Bush, according to congressional aides, although it was clear the companies could be forced to return any aid if they did not use the money to ensure their long-term survival....