I'll cop that .. rewrite .. though it's unbelievable to most that she could have gained the nomination, she has.
That done, some American liberals believe Castle would have had a better chance to win the seat in November and, on that basis alone, are happy to see O'Donnell there.
There are sane people in DE. If you look at the registered voters in DE and then look at the votes she got in the primary she has a snowball's chance in hell of winning.