The ex-wife of a Florida Microsoft executive who was gunned down in front of his 2-year-old daughter last year has been arrested in Washington state and charged in connection with the killing — and prosecutors said they plan to seek the death penalty in the case. Long a suspect in father-of-four Jared Bridegan’s brutal Jacksonville Beach slaying, Shanna Gardner-Fernandez was collared after a grand jury handed down a first-degree murder indictment Thursday morning. “Shanna Gardner’s indictment acknowledges her central and key role in the cold, calculated and premeditated murder of Jared Bridegan,” State Attorney Melissa Nelson said at a press...