Nigel Farage interview on forming coalitions

The transcript discusses the potential need for a coalition of three parties, the expected calm after election debates, UKIP's refusal to deal with Ed Miliband due to his stance on a European referendum, and the possibility of post-election discussions with Mr. Cameron, who has promised a referendum.

What does the speaker mean by 'calming of the waters' after the debates?

How does the speaker view Mr. Cameron in relation to the British people's referendum?