Perot definitely helped Clinton. But most of the time I think people who vote 3rd party would likely not vote at all if they could only vote.for the R or D.
Personally, I have voted L because I did not like the R and would never again vote D.
Tammy Duckworth. A Dem moderate and a decorated veteran, Republicans tend to respect that - so it's more than likely that could engender some bipartisanship, something missing from US politics for decades.