Band: Green Day
Song: Warning
Album: Warning

Verse:

G:-------------------------------------------|
D:-------------------4--5-5--4---------------|
A:----------4--5-5-7------------7--5-5--4----|
E:---5-5--7--------------------------------7-|

Chorus

G:----------------------------------|
D:----------------------------------|
A:------4------4--------------4-----|
E:---5----5--3----5-5-4---5-3----5--|

That's all.  It's really simple and sounds great.  There are several variations on how to play this but this one sounds best.  I've tried them all and this one is best by far.