LONDON, ENGLAND - MAY 11:  British Prime Minister David Cameron with newly elected Conservative Party MPs (L-R) Tania Mathias, Craig Tracey, Derek Thomas, Andrea Jenkyns and Kelly Tolhurst at the Houses of Parliament on May 11, 2015 in London, England. Prime Minister David Cameron continues to announce his new cabinet with many ministers keeping their old positions.  (Photo by Stefan Rousseau - WPA Pool/Getty Images)