ATLANTA — Republicans have lofty expectations for President Donald Trump's runoff eve rally in Dalton. U.S. Sens. David Perdue and Kelly Loeffler want Trump to promote their campaigns and persuade supporters who believe his falsehoods about widespread voter fraud to cast ballots in Tuesday's runoffs for control of the U.S. Senate. But state Republicans fear he can also inflict more harm than good by continuing to claim a "rigged" election and deepening his war with state GOP officials that will threaten the sense of unity that the two incumbents are trying to project. And as Trump prepares for...