In
search
of
lessons
to
____________________
in
our
own
careers
,
we
often
try
to
____________________
what
effective
leaders
do
.
Roger
Martin
says
this
focus
is
misplaced
,
because
____________________
that
work
in
one
context
may
make
little
____________________
in
another
.
A
more
productive
,
though
more
difficult
,
____________________
is
to
look
at
how
such
leaders
think
.
After
extensive
interviews
with
more
than
50
of
them
,
the
author
discovered
that
most
are
____________________
thinkers
?
that
is
,
they
can
hold
in
their
____________________
two
opposing
ideas
at
once
and
then
come
up
with
a
new
idea
that
contains
elements
of
____________________
but
is
superior
to
both
.
