The party's victory over the Tories in last night's council by-election in London offers even greater evidence of Lib Dem resilience.
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.
The PM faces a backlash after the Lib Dems win the by-election and the Tories finish behind UKIP in third place.
Counting in the by-election continues as the Lib Dems say they have held the seat and predict that UKIP has beaten the Tories.
After previously suggesting that the Lib Dem chief executive resigned on "health grounds" alone, Clegg admits that concerns over his "inappropriate behaviour" were "in the background".
Health secretary promises to address "concerns" over Section 75 of the NHS bill after pressure from Lib Dems and Labour.
Five of the Lib Dems' seven female MPs hold seats among the party's 12 most vulnerable and none hold any of the 20 safest.
A new poll from Lord Ashcroft putting the Lib Dems five points ahead in the by-election shows that local issues continue to take precedence over national ones.
Coalition was meant to be a journey to political maturity and professionalism. But it's amateur hour yet again.