One month after taking office (July 28), Peruvian President Pedro Castillo finds himself with his back against the wall. Having won by the thinnest margin imaginable – just 44 thousand votes out of nearly 19 million – he is struggling to establish his legitimacy after some initial missteps. Nevertheless, the fact that the son of peasant farmers is president at all is a landmark, particularly on Peru’s bicentenary year. Dan Collyns reports for Americas Now.