Obama's DNC Remarks on Trump Trigger Strong Reaction

Maggie Haberman reports that targeted comments by the Obamas at the Democratic National Convention aimed to provoke a self-destructive response from Trump.

Barack Obama's comments on Trump's obsession with crowd sizes were particularly impactful.
Both Barack and Michelle Obama's speeches were designed to elicit a reaction from Trump.
Trump has a history of being reactive to the Obamas, dating back to his promotion of the birther conspiracy.
DNC speakers consistently highlighted Trump's focus on wealth and his rich friends.
Democrats believe that provoking Trump benefits their political strategy.