![william killian William Killian/law firm photo](https://ticklethewire.com/wp-content/uploads/2010/05/william-killian.jpg)
WASHINGTON — President Obama nominated two more U.S. Attorneys on Thursday, this time for Pittsburgh and Knoxville, Tenn.
![hickton David Hickton](https://ticklethewire.com/wp-content/uploads/2010/05/hickton-101x300.jpg)
The nominees are: Private attorneys David J. Hickton for the Pittsburgh post and William C. Killian for Knoxville, according to a White House press release. Hickton replaces the controversial Bush-appointed Mary Beth Buchanan, who lost Tuesday in her Republican primary bid for a Congressional seat.