Associate Press: A summary of events Wednesday, July 7, Day 78 of the Gulf of Mexico oil spill that began with the April 20 explosion and fire on the drilling rig Deepwater Horizon, owned by Transocean Ltd. and leased by BP PLC, which is in charge of cleanup and containment. The blast killed 11 workers. Since then, oil has been pouring into the Gulf from a blown-out undersea well. OIL PRAYERS Religious leaders who see environmental activism or “creation care” as a religious duty are visiting …