Secretary of State John Kerry took a shot at Donald Trump during his Friday commencement speech to Northeastern University graduates. President Obama did the same thing during a speech he gave on Saturday.

To explain why these commencement speeches by Kerry and Obama are making news, we spoke to Salvator La Mastra of salvatorlamastra.com.

Sal is a political author, pundit, and campaign strategist. La Mastra specializes in millennials and the youth vote.