Yes a sharingan user can copy the rasengan of the user as kakashi stated he could only take it that far. if a sharingan user copys naruto wind style rasen shuriken they can
Yeah i heard about it everyone whos on the internet should be very afraid as you can say one thing and be joking the next day you awaken to swat kicking down ur door
Tsundae is the hokage she aloud for sauske to be marked as a ninja to be captured and brought back not killed she did it as a favor for naruto. it is up to each village to elimnated there own ninjas who leave the village