Recent polls suggest a tight contest.
（as this information is confidential.The campaign and Republicans have also sued in Georgia.
還Thailand and nine other nations.
國Twenty states joined the District of Columbia in filing a brief lodged by Democratic officials on Thursday backing the four states targeted by Texas.
個Reporting by Richard Cowan; Editing by Christian SchmollingerOur Standards: The Thomson Reuters Trust Principles.
from being certified by election officials as the winner in Pennsylvania.