Correction: A previous version of this episode incorrectly stated where Rep. Tom Emmer is from. The audio has been updated to remove the error.After three long, chaotic weeks, the nation finally has a new House speaker – U.S. Rep. Mike Johnson from Louisiana. So who is he? And how did Congress get here? Read more:On Wednesday, 220 Republicans finally chose their new House leader: a congressman from Louisiana named Mike Johnson. But the man who’s second in line for the presidency is a relative unknown, even to political insiders. Philip Bump breaks down what is known about Rep. Johnson and how House Republicans finally came together to vote for the conservative congressman.Subscribe to The Washington Post via Apple podcasts here.