“Republicans are gearing up for a party in the coming weeks that will require an unusually delicate dance to make it a success,” Bloomberg reports.“The GOP will hold an unprecedented midterm ‘convention’ in September, hoping to draw enthusiastic supporters to Dallas to celebrate their party and their standard bearer, President Donald Trump, with one of his favorite types of gatherings: a big show.”“In fact… it will feel like two nights of back-to-back Trump rallies, lasting from 4 p.m. to 10 p.m. The question is whether it will be a show voters want to watch.”