For anoraks only

All change in the US presidential election: these are the states which will be holding their primaries on 5 February next:

Alabama, Arizona, Arkansas, California, Connecticut, Colorado, Delaware, Florida, Georgia, Illinois, Kansas, Massachusetts, Michigan, Missouri, Montana, Nevada, New Jersey, New Mexico, New York, North Carolina, Oklahoma, Pennsylvania, Rhode Island, Tennessee, Texas, Utah

As well as these, Florida is planning to move to January 29

The implications are discussed - rather briefly - in this Guardian article. But expect to read much more about Super Duper Tuesday.