“Our time has come, our movement is real and change is coming to America,” Barack Obama said as the race for the Democratic Party’s presidential nomination moves on from Super Tuesday.

A senator who would be America’s first black president if elected will formally announce his White House candidacy today in the state capital where he began his political career only 10 years ago.

RISING political star Barack Obama is considering a run for the US presidency in 2008, backing off previous statements that he would not do so.

Daredevil star Ben Affleck has been eyed for a new role - as a US Senator.