Sunny autonomous car futures faces some clouds

Thousands have flooded into Austin, Texas to experience the 31st Annual South by Southwest Convention and Festivals. Check out some of the sights and sounds from the first day. Transportation options in Austin, Texas, include fleets of rental bikes position around town. AUSTIN -- The cruise to autonomous transportation is alive, but first we've got to get past some roadblocks. That's the takeaway from SXSW Interactive, the tech portion of the Texas confab that wrapped Tuesday and once again drew engineers, executives and lawmakers focused on steering society through a mobility revolution.