Plot: 2:43 Top officials from Facebook and Twitter testified before Congress today, but the hearing didn't really get that in-depth. Sheryl Sandberg and Jack Dorsey mostly sounded like corporate leaders whose words had been lawyered 7:06 California's lack of affordable housing is creating a new and fast-growing class of homelessness: people who in the past would have been able to afford a room or apartment but now live in their cars