California Gov. Gavin Newsom picked at old wounds on social media and posted a doctored photo of Sean Spicer, President Trump’s first-term press secretary, and an image of sparse crowds on the National Mall for the parade.

Their clash over Trump’s deployment of military forces for anti-ICE protests in Los Angeles is far from the first time the two leaders have butted heads.

Democratic politicians have spent the last few months talking about standing up to President Donald Trump in his second term. California Gov. Gavin Newsom is among the first faced with figuring out what standing up actually looks like.