Attorney General Loretta Lynch listens at left as FBI Director James Comey speaks during a news conference Thursday. (AP/Jacquelyn Martin)

WHAT’S THE FBI UP TO? Speculation is building over what the FBI meant when it said it might not need help from Apple to crack the San Bernardino shooter’s iPhone. As our colleagues Ellen Nakashima and Elizabeth Dwoskin report, “FBI Director James B. Comey seemed to reject one popular proposal that has taken off online — to remove the phone’s chip and make thousands of copies of the encrypted data on it. ‘I’ve heard that [method] a lot,’ Comey said at a news conference. ‘It doesn’t work.'” Read more here.

INSIDE GOOGLE’S LOBBYING PUSH: Google says Congress needs to act to create a new regulatory framework for self-driving cars. BloombergBusiness reports:

… Google has shifted its lobbying to the federal stage, asking Congress to put regulatory authority firmly in the hands of the U.S. Department of Transportation. ‘Congressional action is needed,’ Chris Urmson, director of Google’s self-driving car project, told the Senate Commerce Committee on March 15. ‘If every state is left to go its own way, it would be extremely impractical to operate an autonomous vehicle across state boundaries.’

“MAKING ADJUSTMENTS”: Microsoft’s artificial intelligence chatbot has gone quiet after parroting users’ racist and sexist comments. “TayTweets (@TayandYou), which began tweeting on Wednesday, was designed to become ‘smarter’ as more users interacted with it, according to its Twitter biography. But it was shut down by Microsoft early on Thursday after it made a series of inappropriate tweets,” Reuters reports. “A Microsoft representative said on Thursday that the company was ‘making adjustments’ to the chatbot while the account is quiet.”