As some of Donald Trump’s most controversial choices for top jobs are questioned this week, our correspondent analyses how supine Republicans may be in his second term. Has the luxury business passed its peak (09:57)? And why scientists are finding new ways to deal with an invasive pest in Australia: the cane toad (16:55).Listen to what matters most, from global politics and business to science and technology—Subscribe to Economist Podcasts+For more information about how to access Economist Podcasts+, please visit our FAQs page or watch our video explaining how to link your account.