Rosalind Helderman previews Robert Mueller’s testimony before Congress on Wednesday. Todd Frankel on the dangers of home elevators. Plus, Dan Zak talks to an evangelical Christian climate scientist.

Britain's next prime minister: Boris Johnson, the ‘frat boy’ of Brexit

Post Reports is the daily podcast from The Washington Post. Unparalleled reporting. Expert insight. Clear analysis. Everything you’ve come to expect from the newsroom of The Post, for your ears. Martine Powers and Elahe Izadi are your hosts, asking the questions you didn’t know you wanted answered. Published weekdays around 5 p.m. Eastern time.