Obama claims to be following Lincoln, but I haven't heard much detail about who Lincoln appointed and how it worked to his advantage. It seems counter intuitive to me to keep your enemies close, unless you are plotting against them. In that sense wouldn't it work both ways? If you are in the number one spot, wouldn't you be better off having loyal people under you rather than ones that are against you and seek to undermine your policy? What are the pros and cons, in Obama's specific situation, of appointing a team of rivals?