Watch live:

FILE - This May 19, 2013. file photo, Newark Mayor Cory Booker delivers the main address during Class Day for Yale seniors at Yale University in New Haven, Conn. A member of Newark Mayor Cory Booker's campaign staff says Booker is planning to enter the special election to fill the U.S. Senate seat previously held by Frank Lautenberg. The staff member says Booker plans to announce his entry into the race Saturday, June 8, 2013. . He spoke on condition of anonymity because he was not authorized to speak publicly on the plans ahead of the official announcement. (AP Photo/Jessica Hill)

Associated Press
FILE - This  May 19, 2013. file photo, Newark Mayor Cory Booker delivers the main address during Class Day for Yale seniors at Yale University in New Haven, Conn.  A member of Newark Mayor Cory Booker's campaign staff says Booker is planning to enter the special election to fill the U.S. Senate seat previously held by Frank Lautenberg. The staff member says Booker plans to announce his entry into the race Saturday, June 8, 2013. . He spoke on condition of anonymity because he was not authorized to speak publicly on the plans ahead of the official announcement.  (AP Photo/Jessica Hill)
FILE - This May 19, 2013. file photo, Newark Mayor Cory Booker delivers the main address during Class Day for Yale seniors at Yale University in New Haven, Conn. A member of Newark Mayor Cory Booker's campaign staff says Booker is planning to enter the special election to fill the U.S. Senate seat previously held by Frank Lautenberg. The staff member says Booker plans to announce his entry into the race Saturday, June 8, 2013. . He spoke on condition of anonymity because he was not authorized to speak publicly on the plans ahead of the official announcement. (AP Photo/Jessica Hill)
View Comments (0)