What happened to Obama’s $4 billion in computer science funding?

Back in January, President Obama asked Congress to set aside $4 billion for computer science education, in what would have been the federal government’s largest targeted funding for promoting the subject in schools. The proposal seemed designed to generate more headlines than actual funding — and now, nearly a year down the road, that largely seems to be what’s happened.
In a release on Monday highlighting what the administration’s “Computer Science for All” i