More about security concerns following Barack Obama's Reunion Arena rally -- this time, from Bill Maher on his HBO show Real Time. At about 3:30 into the following clip from Friday night's week's episode, Maher brings up the subject with his panel, which includes former George W. Bush speechwriter (and Canadian!) David Frum, who says, "That's such a weird story I have to think there's some missing piece that didn't make the paper." To which Maher responds, "Especially in Dallas, you would think a charismatic young Democratic politician ..." --Robert Wilonsky