Cataline was a crass, pleasure loving, amoral privileged Roman who made common political cause with the poor and unducated to enhance his own wealth and power. Cicero understood that such people were a greater threat to the entire Roman nation and culture than all their foreign enemies combined. In modern day America, the appearances are different, but the characters and themes are the same.
Yup.
Cataline was a crass, pleasure loving, amoral privileged Roman.
That would pretty much sum up the entire Roman Senate. Which of course bears a great resemblance to our Congress today.