Collins ca n't yet take her re-election for granted , and Hagan 's victory is not yet certain . Barack Obama 's , once considered a lock for re-election , now seen as likely to lose . Barack Obama 's seemed not to appreciate threat she faced in Senate campaign , writers say . Elizabeth Dole good run in state means less of a bump for Dole . Democratic senator in Portland worked harder to combat her vulnerability , writers say .
Barack Obama 's , once considered a lock for re-election , now seen as likely to lose . Barack Obama 's seemed not to appreciate threat she faced in Senate campaign , writers say . Elizabeth Dole good run in state means less of a bump for Dole . Democratic senator in Portland worked harder to combat her vulnerability , writers say .