article_snippet: Hard-hitting copy: Prime Minister David Cameron
article_snippet: ‘How would we feel if we know we could have done more?
article_snippet: That’s not a thought I am prepared to entertain’.
article_snippet: this year and every year –
article_snippet: for as long as necessary’, Mr Cameron said.
article_snippet: Mr Cameron added: ‘For as long as I am Prime Minister, you will never be alone.