Karl Rove
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Republican political strategist Karl Christian Rove, best known as President George W. Bush's top advisor, earned him the nickname "Bush's Brain."
Rove, appointed as Assistant to the President and Senior Advisor to the President by Bush during his first term, announced on August 13, 2007, that he will be resigning on August 31, 2007, allegedly to give more time to his family.[1] He was replaced September 4, 2007, by his long-time deputy, Barry Jackson.
Rove is "joining a lengthening line of senior officials heading for the exits in the final 1 1/2 years of the administration. ... Among those who have left are White House counselor Dan Bartlett, budget director Rob Portman, chief White House attorney Harriet Miers, political director Sara Taylor, deputy national security adviser J.D. Crouch and Meghan O'Sullivan, another deputy national security adviser who worked on Iraq. Defense Secretary Donald Rumsfeld was forced out immediately after the election as the unpopular war in Iraq dragged on."[2]
On April 19, 2006, Rove "gave up his responsibilities as chief policy coordinator, a position he assumed" in February 2005[3] "that strengthened his influence over matters ranging from homeland security and domestic policy to the economy and national security," Terence Hunt reported for the Associated Press.
Rove's responsibilites "shift[ed] to" Joel Kaplan, "who was promoted to deputy chief of staff from the No. 2 job in the White House budget office where he had served" under Joshua B. Bolten, who took over April 14, 2006, as Bush's Chief of Staff "with authority to do whatever he deemed necessary to stabilize Bush's presidency, and he has moved quickly with changes," Hunt wrote.