But big national marches consume enormous amounts of time, money and other scarce resources, and present the challenge of marshaling diverse constituencies towards an uncluttered and resonant message.
Some of them claim that the Union needs some 'digesting time', while others seem to be too obsessed with the effects of the global crisis, deep-soured financial deadlocks or radicalization of the political constituencies towards out-EU migration.
This was Roy Jenkins' last gift to British politics, and one of his best: a system that keeps the constituency link, but moves towards PR.
This is ground zero for Ukip – a constituency that swung dramatically towards the party in both European parliamentary elections in 2014 and in the general election last year.
The Lib Dems said polling data from last week's council elections, and other local polls in the Sheffield Hallam constituency since 2010, pointed towards the party retaining the seat next year.
"We can't be part of a government that is going to continue the occupation of West Bank, the siege and constant attacks on Gaza, or the discriminatory policies towards our constituency, mainly the Arab community," he told VICE News.
It is an unnecessary gesture towards a constituency that would not be satisfied even if he reduced their obligations to zero, and an indirect acknowledgement of the power of money.
He drove up the M1 towards his Sheffield constituency and opened his ministerial red box.
A new pro-Brexit PM means acrimonious negotiations, as the leave constituency will expect bulldog truculence towards a European Union that gains absolutely nothing by playing nice.
With a determined look on his face, he turns the van towards Wentworth, the constituency held by Malcolm Turnbull, Australia's environment minister, for what will clearly be a day of consciousness raising among its wealthy denizens.Wentworth is capturing enormous attention in this election.
