A streaker and a book-throwing protester? Surely President Obama has seen it all by now. The scene yesterday at a Philadelphia rally hosted by President Obama and Vice-president Joe Biden was reminiscent of the 2008 elections, except when someone decided to throw a book at the President... Here's what you had to say: Mecca commented via Facebook: "I am so sick of the disrespect." Glenn wrote via Facebook: "This is getting out of hand."