The ambulance’s red glare “Make America Great Again” is Donald Trump’s freighted message to a conservative political base longing for “the good, old days.” You know, when men were men, women were women, white Christians were dominant, non-whites knew their place, and the biggest worry on the Fourth of July was fireworks injuries. Somehow, I don’t think MAGAstan is fretting about that last bit. From CNN’s daily “5 Things” news summary: Independence Day celebrations were marred by violence over the holiday weekend after several mass shootings took place across the US. At least nine people were injured in a shooting early this morning in Washington, DC, as the victims were celebrating the Fourth of July in the nation’s capital. In Philadelphia, a shooting Monday left five people dead and two others wounded. On the same night in Fort Worth, Texas, a shooting killed three people and wounded eight others. Separately, block parties recently turned deadly in Indianapolis and Baltimore, leaving investigators scouring the crime scenes for answers. Data shows the Fourth of July has accounted for the most mass shootings of any other day of the year in nearly a decade, according to a CNN analysis. If you missed the memo that shooting your neighbors is now how “patriots” celebrate the holiday, you’re not alone. Hot August nights in July Another factoid about yesterday’s July Fourth festivities (Washington Post): Tuesday was the hottest day on Earth since at least 1979, with the global average temperature reaching 62.92 degrees Fahrenheit (17.18 degrees Celsius), according to data from the U.S. National Centers…