By ZEKE MILLER, MICHELLE L. PRICE and WILL WEISSERT, Associated Press WASHINGTON (AP) — A presidential campaign marked by upheaval and rancor approached its finale on Election Day as Americans decided whether to send Donald Trump back to the White House or elevate Kamala Harris to the Oval Office. Polls opened across the nation Tuesday morning as voters faced a stark choice between two candidates who have offered drastically different temperaments and visions for the world’s largest economy and dominant military power. Harris, the Democratic vice president, stands to be the first female president if elected.