Hezbollah supporters are enduring a growing number of casualties as their sons return in coffins after fighting alongside Assad's forces in Syria.
Historians say the kind of broad-based, enduring movement that Sanders supporters envision rarely grows out of a presidential campaign, but it can happen.
However, struggles on the pitch and the loss of a manager are not the biggest concerns for supporters, who are enduring a long battle with the club's owners.
Asked to explain his enduring loyalty, Robert Kramer, 70, an Iowan Tea Party supporter, told the Register, "I have nothing against Mitt Romney, but I think Herman Cain has more common sense".
Bridges and his supporters persisted and he forged enduring relationships with the black community, particularly in San Francisco.
Enduring a bitter cold mist, Mr. Sharpton's supporters marched in circles in a parking lot near the jail while they waited more than two hours for their perennially tardy leader to show up.
Any discontent is not focused on the manager for now, though, since supporters have built up an enduring grievance with Rod Petrie.
So for now, at least, the split appears to be real, the populist anger withering, and the rage at Clinton and her supporters inside the party apparatus enduring.
Lance Armstrong's latest attempt to reset the agenda served some purpose in exposing the enduring malignancy of one of his most vocal supporters, Pat McQuaid.
