The Lib Dems basically gave away their negotiating power in the coalition agreement for nothing but an expensive failed attempt to change from FPTP.

Expensive is an understatement. They threw away their promise on student fees in the process of this. Causing their vote share to collapse at the next election. Meaning that Cameron’s plan to offer an EU referendum in the manifesto, but negotiate it away during coalition talks wasn’t applicable. Meaning he had to actually offer the Brexit referendum…