Facebook's Zuckerberg confident of stopping interference in 2020 campaign

Facebook Inc’s Chief Executive Officer Mark Zuckerberg is confident the world’s biggest social network will do better in 2020 at stopping “bad actors” from manipulating the U.S. presidential election.

“We’ve learned a lot since 2016, where, obviously, we were behind where we needed to be on defenses for nation states trying to interfere,” he said in a “Good Morning America” interview released on Thursday.

“These aren’t things that you ever fully solve, right? They’re ongoing arms races, where we need to make sure that our systems stay ahead of the...