The most impressive political fireworks display most will recall ever seeing on their TV sets finished President Donald TrumpÂ’s address at the close of the four-day Republican National Convention Thursday evening, wrapping up the partyÂ’s rallies, energizing the presidentÂ’s supporters, and changing the convention genre forever. Just one week after a physically isolated, professionally awkward, and visually timid Democratic National Convention finale featured Joe and Jill Biden walking down an empty hallway to a cute fireworks display while socially distanced cars honked their horns in a Delaware parking lot, the Washington sky was alight and a live concert played while...