Kenneth Clarke, the U.K.’s justice secretary, is introducing harsh new prison sentences for individuals convicted of serious crimes as part of a broader shift to stricter penalties; changes include a new mandatory life sentence for individuals convicted on their second serious sexual or violent crime; a mandatory minimum four-month prison sentence for juveniles convicted of aggravated knife offenses; the move signals a shift to a harsher U.S.-style of law with minimum mandatory sentences; the decision was reportedly highly controversial and resulted in fierce internal disputes with home secretary Theresa May