<prompt> Translate the following text to EnglishIsaac Ehrlich, ambaye alithibitisha kwa kuridhisha taaluma ya uchumi kwamba adhabu ya kifo inafanya kazi, ni mpinzani mwenye shauku ya adhabu ya kifo.  <response>: Isaac Ehrlich, the man who proved to the satisfaction of the economics profession that capital punishment works, is a passionate opponent of capital punishment. 