Complex sentence: All of these memoranda have been the focus of considerable controversy over executive power, government practices, and the treatment of detainees during the Bush administration, and were repudiated by President Barack Obama on January 22,2009, shortly after he took office.
Split into simpler sentences: All of these memoranda have been the focus of considerable controversy over executive power, government practices, and the treatment of detainees during the Bush administration. They were repudiated by President Barack Obama on January 22,2009, shortly after he took office.