He will not, or at least should not, be the last head to roll.
"President Barack Obama has thrown his acting IRS commissioner overboard, making Steven Miller the highest-ranking political casualty thus far in a series of scandals that have swept his administration in recent weeks.
In a hastily called press conference in the East Room of the White House, Obama told reporters that he had asked Treasury Secretary Jacob Lew to find out who was responsible for a program that targeted tea party groups and other conservative organizations for a special level of intrusive questioning after they applied for tax-exempt charitable statuses.
'Lew took the first step by requesting and accepting the resignation of the acting director of the IRS,' Obama said.
'It’s important,' he added, 'to institute new leadership that can help restore confidence going forward.'
But in an email to IRS employees, Miller claimed he would only be leaving next month because his assignment would be over.
'It is with regret that I will be departing from the IRS as my acting assignment ends in early June,' Miller wrote. 'This has been an incredibly difficult time for the IRS given the events of the past few days, and there is a strong and immediate need to restore public trust in the nation’s tax agency.',"