LOS ANGELES -- In its quest to have unstoppable Agent Jack Bauer (Kiefer Sutherland) of the Los Angeles-based Counter Terrorist Unit save the world each season in 24 hours, the hit FOX melodrama "24," airing Monday, takes frequent detours from reality. One of its conceits is that its fictional presidents -- who are all on Bauer's speed-dial -- don't seem to have the huge cabal of Secret Service agents, aides and advisors that surrounds real presidents (judging by the number of former presidential aides and advisors that pop up as talking heads on cable-TV news). Instead, Presidents David Palmer (he...