Mr. Fantoni said Mr. Renzi was running a real risk of splitting the party.
Experts say the iconic tree, which attracts thousands of visitors each year, is at risk of splitting in two.
"We're going backwards, my friend, backwards," he said, repeating arguments that the party is in crisis and at risk of splitting.
So the BBC treads barefoot along a broken glass line, always at risk of splitting the difference between flat- and round-earthers: it can't get everything right.
Co-operation at federal level with the PDS would carry too big a risk of splitting the Social Democrats down the middle.The most plausible alternative would be a grand coalition of Social Democrats and Christian Democrats, which many voters say they favour most of all.
But if no election is in prospect and Mr Fukuda or his successor is not bound to call one until September 2009 more DPJ members will want someone to challenge Mr Ozawa as party leader in September, even at the risk of splitting the party.
Plus, boosting that limit would require what's called a hard fork, which runs the risk of splitting the network and creating two versions of bitcoin and likely harming its value in the process — especially if it's done without widespread support.
There is the risk of splitting into a seemingly endless number of identity-based communities, or glossing over our differences with a few cumbersome acronyms.
But today, the Labor Party is at risk of splitting over an anti-Semitism crisis with which it seems unable to come to grips.
The risk of splitting the Republican vote, "is a political miscalculation so great and a betrayal so profound as to not be easily forgiven," Breitbart contributor David Horowitz wrote on Sunday.
