 Several incoming storm systems, including Hurricane Beryl, are threatening millions of Americans' travel plans this holiday weekend. AAA forecasting more than 60 million people driving to their destinations for the 4th of July. It is more than enough people to cause some serious wait times on the highways and here at the airports, but especially for people flying. When you have the possibility of inclement weather anywhere, there is always the chance of a ripple effect throughout the country. ABC's Trevor Ault there reporting from Newark International Airport.