The Washington Roundtable: Congress has returned from summer recess to a hectic month of business. This week, as Kevin McCarthy sought to avoid a government shutdown, the House Speaker announced that he plans to initiate an impeachment inquiry into President Joe Biden. McCarthy is feeling pressured by hard-right Republicans who forced fifteen rounds of voting to occur in order to elect him to his post in January. Now, just weeks before the end-of-September deadline to either fund the government or shut it down, this same faction has  brought the House to a standstill. What is the logic behind these disruptions? The New Yorker staff writers Susan B. Glasser, Jane Mayer, and Evan Osnos weigh in