The fireworks launched Thursday are expected to continue in at least one city — Milwaukee, Wisconsin. As Republican delegates descend on the site of the GOP convention this week, some have come ready for a fight. The news that Donald Trump’s team wants to “simplify” the 60-page platform isn’t sitting well with longtime conservatives who believe the document is the party’s anchor to core values. “Presidential candidates come and go,” Senator Lindsey Graham (R-S.C.) pointed out, but the platform “is foundational.” “There’s no reason to change it. Let’s stick with what got us here.” Veterans of the platform debate, including...