A Florida man convicted of shooting two young sisters in the head after raping and shooting their mother was executed Tuesday after a two-hour delay while authorities awaited final rulings from the U.S. Supreme Court.Richard "Ric Ric" Henyard, 34, was pronounced dead at 8:16 p.m. He had been condemned for the death of 7-year-old Jamilya Lewis and her 3-year-old sister, Jasmine. [Snip] Henyard and a younger accomplice carjacked Dorothy Lewis and her daughters outside a grocery store in the central Florida town of Eustis on the night of Jan. 30, 1993. Henyard, then 18, raped Lewis and then shot her...