Clinton back on track with wins in Texas and Ohio

Senator Hillary Clinton has won both of Tuesday's major primaries – in Ohio and Texas. She'd earlier claimed the smaller prize of Rhode Island, while her competitor for the Democratic nomination, Barack Obama, won Vermont, the other smaller sta

The Republican Party appears to have its candidate, Senator John McCain

It's expected US President George Bush will now endorse him on Wednesday.

McCain's strongest opponent former Arkansas Governor Mike Huckabee has withdrawn from the race.