Misc: what gangster was nicknamed the lord high executioner?

Questions

in ian fleming's james bond series, what does the 00 in 007 stand for?

in october of 1962, johnny carson succeeds him on the tonight show?

in the 1932 movie scarface, what coin did george raft flip during the film?

in the 1975 film, "capone", who portrayed the gangster al capone?

in the 1996 version of "romeo & juliet", who played juliet?