Maduro holds on as Guaido's military support falters

After Tuesday’s violent clashes, Wednesday dawned quiet in Caracas but eventually grew chaotic again. Police threw tear gas at Venezuelans demonstrating in support of opposition leader Juan Guaido. Meanwhile, it was unclear why Guaido’s earlier talks with military leaders about joining his campaign to unseat President Nicolas Maduro appeared to have fallen through. William Brangham reports.