Why is Dole Vulnerable and Not Collins?

by Stuart Rothenberg October 14, 2008 · 9:54 PM EDT

WASHINGTON (CNN) — Two years ago, as the 2007-2008 election cycle was beginning, one female Republican senator up for re-election looked to be in serious danger: Maine’s Susan Collins.

But with just three weeks left until Election Day, the moderate Collins now appears to be one of the few embattled Republican senators who could survive the forthcoming Democratic wave.

On the other hand, North Carolina’s Elizabeth Dole, once regarded as a lock for re-election, looks as if she is about to fall at the hands of Democratic challenger Kay Hagan.

How did Dole become more endangered than Collins? You can read the rest of the story on CNN.com.