Thatâs about an average monthâs salary in China, according to this data from 2012, or three months of a bus driverâs monthly salary, according to another source. In other words, buying an iPhone for your average Chinese citizen would be much like buying a cheapish second-hand car for $5,000 to $10,000 in the U.S.
States choose whether they want to hold primaries or caucuses. Most states hold primaries but states like Iowa, Louisiana, Minnesota and Maine use the caucus system.
Presidential candidate nominating events -- primaries in some states, and caucuses in others -- begin in Iowa on January 3, 2012 and end in Utah on June 26, 2012. This year's Super Tuesday falls on March 6, when 14 states will hold presidential primaries or caucuses.