Write a short summary for this text: the chairman and chief executive of hbo , chris albrecht , announced tuesday that he was taking a leave of absence after being charged with assaulting a girlfriend in a las vegas parking lot early on sunday .

Summary:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
hbo head takes leave after arrest