Republicans are hoping that a stark reminder of the evils of socialism at their first-ever Midterm Convention, to be held in Dallas at the American Airlines Center Sept. 9-10, will tip the scales in their favor. “We’re building this plane as we fly it,” said Trump aide John Hiller, who was sent to Dallas as CEO of the convention. AdvertisementRepublicans will make progressive politicians and activists recurring characters throughout the Sept. 9-10 convention at the American Airlines Center in Dallas. Some will speak at the convention about Republican achievements on cutting taxes, lowering prescription drug costs and improving border security. AdvertisementRecommended: Remembering Hiroshima 'Victims' Without Acknowledging Our Dead at Pearl Harbor Is ObsceneDemocrats are pooh-poohing the idea of a "midterm convention."