Seriously, I think the reason for the flip-flop is more important than the flip-flop itself. Too often politicians are accused of flip-flopping based on just looking at the surface rather than exploring the depth of the reasoning.
Very true , how long did the Kerry flip-flop nonsense go on for last time , indeed a few of the more stubborn "I am not a Republican I am a Libertarian" posters still raise it every time they feel the need .
In that case the flip-flop of voting for a bill then voting against the bill was because the financing of the bill had been completely changed .
Which is kinda funny since considering the nature of the changes to financing of the bill it is those who call themselves "fiscal conservatives" who had a problem with Kerry voting against the taxpayer picking up a massive debt.