Live Q&A: Post your questions on solutions to the BP oil leak

Want to know why BP's attempts to cap the oil spill are taking so long? Like to hear more about efforts this week to fix a valve leak before BP tries to choke the oil flow? Whether you just want to know when a fix is likely to come, ask about the deep-sea robots undertaking the work, or you have another question about stopping the leak, here's your chance. Joining us today at 12 to help answer those questions is Bil Loth , a former president of the Institute of Marine Engineering, Science and Technology with 40 years' experience working in the oil industry. Just post your questions below for Loth, and he'll be online at 12 noon today to answer. Please keep questions on-topic: discussing attempts and solutions to fix the spill.