According
to
opinion
polls,
Putin
is
firmly
in
front
in
the
presidential
race,
with
a
share
of
between
37%
and
53%
of
the
votes.
None
of
four
other
candidates
—
Russian
Communist
party
leader
Gennady
Zyuganov,
Liberal
Democrat
party
head
Vladimir
Zhirinovsky,
businessman
Mikhail
Prokhorov
and
A
Just
Russia
party
leader
Sergei
Mironov
—
have
so
far
been
able
to
challenge
Putin’s
strong
position.
Each
of
these
candidates
may
collect
between
3%
and
10%
of
the
votes.
Political
observers
in
Moscow
expect
a
larger
than
usual
attendance
at
polling
stations
this
coming
Sunday,…