All of Florida should prepare for hit from strengthening Hurricane Dorian, officials say

Summary: After missing Puerto Rico, Hurricane Dorian veered toward the U.S. Virgin Islands, battering them with drenching rains and strong winds. The Category 1 storm now appears to be headed for Florida, but its path is difficult to predict. Still, Florida residents were stocking up on supplies and preparing for the worst. Judy Woodruff talks to Ken Graham, director of the National Hurricane Center.