Colorado and Washington have become the first US states to legalize possession and use of marijuana for recreational purposes.
A fifth person has died in a growing outbreak of a rare form of meningitis that has sickened more than two dozen people in five US states.
There are concerns that armed citizens would make the environment dangerous.
An anti-incumbent mood in US threatens to claim another victim on Tuesday.
Governors of Florida and Alabama followed Louisiana`s Indian American chief executive Bobby Jindal in declaring emergency as hurricane Ida weakened to a tropical storm but still dangerously churned toward the US Gulf Coast.
Day in Pics: 31st January
Showbiz World - January 31, 2015