To hear him tell it, Jon Ossoff — the Democrat vying to fill a House seat here in next Tuesday's special election — isn't even thinking about the seismic implications of what many consider the first major referendum on Donald Trump's presidency. "I think this race is about who can deliver for this community more than it’s about national politics," Ossoff told NBC News heading into the campaign's final weekend. "There are many in the community who do have serious concerns about the direction the administration is taking us in and I’m one of them and those concerns have only...