Can Donald Trump unite the country? The former president’s assertion on the final night of the Republican National Convention (RNC), where unity was the night’s theme, was that yes, yes he can. “We rise together or we fall apart. I am running to be president for all of America, not half of America,” said Trump tonight in a speech that began with a heavy focus on the assassination attempt that very nearly took his life on Saturday. The night’s preceding speeches were exceedingly light on policy. Sen. Steve Daines (R–Mont.) mentioned several GOP priorities in a sentence or less. Former Secretary…