This headline from an AP report at Yahoo! News is incomplete:
The rest of the headline should read . . .
. . . of Terrorism.
Actually "struggle" is probably a good choice of verbs in the headline. What did the title of Hitler's book "Mein Kampf" translate to, in English, again? Was it "My Struggle?"
Hamas is clearly struggling for something.
Other than that, Hamas and Hitler have nothing in common. Except that they mean what they say, crazy as that seems.