I don't like how hollywood rewrites history. FDR and the government knew about the attack and even tried to force the Japanese to attack American battleships before Pearl Harbor.
The fact that hollywood glorifies FDR is not surprising seeing that they are liberal spin artists.
The sceen where FDR stands up (complete hollywood bulls$$t) made me sick, i felt like pissing on his grave.
Read "Day of Deceit" for the TRUTH of Pearl Harbor.
Two MAJOR facts...
1.) We BROKE the Japanese code before Pearl Harbor; therefore, we heard them send their orders to attack Pearl Harbor.
2.) The radar was not untested and infact improved technology from the british (the leaders of radar at the time).  Moreover, the operators sent messages saying they were CERTAIN it was a major JAPANESE offensive, but the transitions they sent were help up by the government; arl Harbor FINALLY got the messages AFTER the attack.
So given this information, the movie is sick by protraying FDR as an innocient defender of America; moreover, having that communitst, Alec Baldwin, play a patrotic American made my blood boil.