If Pat Toomey of Pennsylvania wins, for instance, it will tell Republicans that their own brand hasn't been hurt too badly by [Donald] Trump's negatives.
![If Pat Toomey of Pennsylvania wins, for instance, it will tell Republicans that their own brand hasn't been hurt too badly by [Donald] Trump's negatives.](http://cdn.quoteddaily.com/images/mara-liasson/if-pat-toomey-of-pennsylvania-wins-for-instance-it-will-tell-republicans-that-their-own-brand-hasnt-been-hurt-too.jpg)