"Standing up for every kid also means opposing @POTUS policies that hurt kids," she wrote.
"Barron Trump deserves the chance every child does – to be a kid," Clinton tweeted Sunday of President Donald Trump's 10-year-old son, who was mocked on social media during Friday's inauguration. In one now-deleted tweet, "Saturday Night Live" writer Katie Rich joked that Barron "will be this country's first homeschool shooter," drawing ire and making headlines.