Even Senate sponsors are skeptical of bills to shield kids online

The Senate is teeming with proposals, many bipartisan, to combat what supporters say is Big Tech’s failure to combat child pornography and otherwise promote the safety and privacy of minors online. 

There’s been movement on several of these bills. But Senate passage, let alone enactment, for any of them still seems elusive because of opposition from powerful opponents.

The tech companies yield significant sway because of their size, popularity and wealth. Civil rights groups protest that the measures would limit free speech on the internet. Some lawmakers worry the bills...