Republicans and Democrats came together over the weekend to attack former President Donald Trump for his comments that he’d encourage a war with a NATO ally. The United States is in NATO, the group that links together Europe and the United States in the event of a war. Russian President Vladimir Putin has long attacked NATO and sought to undermine it. Trump appears to believe that every country must pay an equal share, but that isn’t the way that it works. Funds given to NATO from nations are calculated using a cost-share formula.) that Trump doesn’t appear to fully comprehend. The money isn’t…