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As the nation prepares for the July Fourth “Salute to America” on the National Mall, with a contentious appearance scheduled by President Donald Trump, there are several unanswered questions that will go a long way to determining how the whole thing unfolds.
From how extensive protests will be, to the tenor of Trump’s remarks, to how much of a damper the weather might put on things, here is a short list of what to keep an eye on.