Former Vice President Mike Pence's Testimony Could Affect the Fate of His Potential Rival

Sources tell CBS News that former Vice President Mike Pence prepared for this for weeks, talking with his lawyers about the chronology of key players. Former President Donald Trump repeatedly tried to block him from appearing before a grand jury in Washington D.C., citing executive privilege. With Pence moving closer to entering the race for the White House, his testimony today could affect the legal and political fate of his potential rival.