Obama
pledged
that
the
US
will
not
concede
clean
technology
leadership
to
China
and
vowing
to
combat
climate
change.
But
details
were
notably
lacking,
raising
questions
over
what
he
really
expects
to
accomplish
in
these
areas
during
his
second
term.
Obama
now
faces
more
constraints
than
he
did
four
years
ago
when
he
took
office
amid
a
grave
financial
crisis.
A
fearful
nation
then
yearning
for
a
different
style
of
presidential
leadership
and
a
new
direction
essentially
gave
him
carte
blanche
to
impose
his
policies.
They
stabilized
the
banking
system
and
economy,
but…
