By , ATLANTA (Reuters) -Democrats on Wednesday completed a sweep of the two U.S. Senate seats up for grabs in runoff elections in the state of Georgia, giving the party control of the chamber and boosting the prospects for President-elect Joe Biden’s ambitious legislative agenda.Raphael Warnock, a Baptist preacher from Martin Luther King Jr.’s former church, beat Republican incumbent Kelly Loeffler to become the first Black senator in the deep South state’s history while Democrat Jon Ossoff, a documentary filmaker who at 33 would become the Senate’s youngest member, beat Republican David...…By , ATLANTA (Reuters) -Democrats on Wednesday completed a sweep of the two U.S. Senate seats up for grabs in runoff elections in the state of Georgia, giving the party control of the chamber and boosting the prospects for President-elect Joe Biden’s ambitious legislative agenda.Raphael Warnock, a Baptist preacher from Martin Luther King Jr.’s former church, beat Republican incumbent Kelly Loeffler to become the first Black senator in the deep South state’s history while Democrat Jon Ossoff, a documentary filmaker who at 33 would become the Senate’s youngest member, beat Republican David...WW…