<prompt> Translate the following text to EnglishLakini ni kweli kwamba ubora wa siasa nchini Marekani umeharibika kutokana na kuharibika kwa imani ya umma katika taasisi ambazo zilikuwa zinatenda, angalau kwa kiwango fulani, kama walinzi.  <response>: But it is probably true that the quality of politics in America has suffered from the erosion of public trust in institutions that used to act, to at least some degree, as watchdogs. 