Now, some exporters are worried about the shipping standstill.
Read more...SLIDESHOW: Our correspondent surveys the damage in Kenner, La., as crowds gather.
Read more...Officials may have to flood one part of the state to save another.
Read more...The river is expected to rise to levels unseen since 1927; rising river has already caused major floods; river crested in Memphis on Tuesday.
Read more...More than 300 people have died in the deadliest outbreak of tornadoes in 40 years.
Read more...President Obama is headed to Alabama on Friday.
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