Are we 100% that Iran did all those things, seem a bit too convenient.
Obama was the king of drone strikes, granted mostly directed towards other than Iranians.
Israel has handled the assassinations of Iranians for the most part, the number of Iranian nuclear scientists and what they feel are terrorist that have been killed in car bombs or other attacks over the years is pretty huge.
And the Stuxnet attack is both brilliant and the most blatant act of war and terrorism since 9/11