Use a capo on the first fret.
[ Tab from: http://www.guitaretab.com/g/graham-colton/97282.html ]
Em Am D
e-------0-----0-----0-------------------3-0--------2-----3-----2-------|
B---0-----0-----0-------------1---1-0h1-1-----3------3-----3-----3---0-|
G-----0-----0-----0-----0-0-----2----------------2-----2-----2-----2---|
D---------------------2---------------------0--------------------------|
A---------------------------0------------------------------------------|
E--0-------------------------------------------------------------------|
C G
e----------------3-----------|
B--1-----1-0-0-----0-----0---|
G----0---------------0-------|
D------2---------------------|
A--3-------------------------|
E--------------3-------3---2-| Repeat this a couple of times.