(At around 13 mins) C.J. is saying writing to her father, and the voiceover says, "He has no hope, not to mention, I can't imaging what the hell he's fighting for." However, when the shot turns to show her screen, the letters are from the last line of the letter, "...and a guy with no voice, shouting," from after she learns why Stackhouse is filibustering.
When Josh is talking to Donna in his office, he is at his computer desk and you can see the beginning of the email to his mother. when the camera goes back to Donna and then back to Josh there is significantly more in the email. The next time we see the email it is back to the original 2-3 lines.
At the end, the Senator sent to ask a question to Senator Stackhouse says, "Point of Order Mr. Speaker" but in fact according to Parliamentary Procedure the proper way to ask a question to the speaker is "Point of Information." A 'point of order' is a question regarding the Parliamentary Procedure being used.
Sam is playing solitaire on his computer in the mess when CJ enters. She tells him, "You can put the black seven on the red eight," but neither a black seven nor a red eight appear on the screen.