In the US, the Democratic Presidential contender Barack Obama has claimed victory over his rival Hillary Clinton for their party's nomination to fight the general election. He says he has the level of support he needs for the nomination. This report from Justin Webb:

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His campaign was also fabulously well planned and executed - his people knew at the beginning how they would put together a victory. Mrs Clinton became a formidable campaigner - but her early efforts were weak. She must decide now whether she backs Obama four square or waits in the wings hoping for another chance in four years if he fails.

Obama will be tempted to offer her some inducement to play nicely - but tempted as well to be rid of her and her husband and strike out on his own. The battle with John McCain will be tough and probably close but Obama has now come through a firestorm and shown his ability to survive.

Justin Webb, BBC News, Washington

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keen on self-help
that likes to solve problems using one's own abilities and effort, rather than relying on someone else's support or guidance

faltered
lost some of its strength/power; here, did not appeal to everyone

brought in new blood
won support of people who did not support them previously

fabulously well planned
extremely carefully thought of and well prepared in advance

a formidable campaigner
here, someone who fights to become a Presidential candidate with such skill and strength that people show wonder and respect for them

four square
with certainty and determination

waits in the wings
is ready and prepared to do something (here, to be nominated a Presidential candidate); available when needed

inducement
here, a prospect or reward that would give Hilary Clinton a reason to support Barack Obama

strike out on his own
independently continue to fight to become President with energy, enthusiasm and strength

come through a firestorm
coped and dealt with very difficult, uncontrollable situations

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