Apple responds to investor calls that it do something to prevent kids from getting addicted to iPhones. And SpaceX's first launch of the year may not have been as successful as hoped.

Plus Samsung unveiled its line of smart home devices at CES, while Apple fans continue to wait for the HomePod. We look at how the two tech giants stack up.

And the outlook for the fast food industry. McDonald's introduces a new Dollar Menu, and Wendy's fights right back. We talk about who might come out on top.