Réponse :
1) an article from a newspaper
2) a member of Congress
3) the U.S.A.
4) a. The answer is false because the text says "On Jan. 8. 2011"
b. The answer is true because it says "Ms. Griffords, a conservative Democrat".
c. True. Jared Lee is the gunman. It says in the text "The suspect, Jared Lee Loughner was taken into custody".
d. The answer is false, because the text doesn't specify how many people he kills, it only says "...but then using his 9-millimeter pistol to gun down others near her..."
e. True, Mr. Laughner had planned his shooting, and I know it because the article says "An analysis of his Web searches from computer seized by the Federal Bureau of Investigation showed that he was conducting Internet research days before the shootings..."
f. True, Mr. Laugner used the Internet, we know it because it's written in the article "...showed that he was conducting Internet research..."
5) a. The element showing the shooting became a national issue is the president. The president was involved in this, plus 250 other people.*
b. "...was taken in custody at the scene, tackled by onlookers as he struggled..."
6) Sinonym of citizen : onlookers