MPs just want Cameron to prove he means business (and that the Lib Dems don't).
Ukip's voters aren't just disaffected Tories - people from all kinds of backgrounds who feel hostile to establishment parties are turning to them.
The UKIP surge continues, but don't ask its leader for a coherent tax policy.
The Conservatives are caught between advertising their cultural affinity with UKIP and denouncing its members as closet extremists.
After expelling a former BNP activist, the UKIP leader says the party lacks the resources to properly vet all of its local election candidates.
Nigel Farage's party is fielding a record 1,734 candidates, just 22 fewer than the Lib Dems.
Mainstream politicians have responded to populists like George Galloway, Nigel Farage, Beppe Grillo, and Sarah Palin by burying their heads in the sand.
There is no path to victory for Labour through the thickets of anti-immigrant politics and I am confident that Ed Miliband knows this.
When Conservatives, including Cameron, indicate their eagerness to be a little bit more like UKIP, all they do is give Nigel Farage the credit for setting the agenda.
If the Lib Dems benefit from an incumbency factor and UKIP splits the right-wing vote, the Tories will be the big losers.