Trapped between Ukip and the EU, Cameron plays a risky game | Simon Jenkins

He has threatened to bring forward a referendum if Angela Merkel fails to reject Jean-Claude Juncker as EC president, but the EU may call his bluff

European politics could be getting interesting. Tony Blair will today bid to lead a "new" Europe with a speech drenched in cliches about "wake-up calls". David Cameron, meanwhile, threatens to bring forward a UK referendum on the EU if Germany's Angela Merkel fails to reject Jean-Claude Juncker as EU president. In response to th...