article_snippet.sent: The London Mayor, who has been largely invisible at a national level despite being the second best known Tory in the country, will make a high-profile joint appearance with David Cameron, sources said.
article_snippet.sent: The London Mayor, who has been largely invisible at a national level despite being the second best known Tory in the country, will make a high-profile joint appearance with David Cameron, sources said .
highlights_snippet.sent: London Mayor to make a high profile joint appearance with David Cameron .
  