E|-------------|----------------|--------------|-----------------|
B|-------------|----------------|--------------|-----------------|
G|-----2-----1-|----1-----------|-----0--------|-----0---2-0-----|
D|---2-----2---|-2~---2~--4-2---|---2-----2-4~-|---2---2-----2-0-|
A|-------------|--------------2-|--------------|-----------------|
E|-0-----0-----|----------------|-0-----0------|-0---------------|
                                                      (Repeat 4x)



I think this is what's called the bridge.  It leads to the chorus.
Pretty boring part but sounds good, and requires fast hands 
to get in position to play the root notes in time and cleanly.

  E      G      A      C        E     G      A
E|----------------------------| |----------------------------------
B|----------------------------| |----------------------------------
G|-------------------2------5-| |--------------2-------------------
D|-----2------5----2------5---| |-----2-----5--2-------------------
A|---2------5----0------3-----| |---2-----5----0-------------------
E|-0------3-------------------| |-0-----3--------------------------
                   (Repeat 3x)



Chorus.  Lots of strumming going on here but not detailed in the
tab.  Interestingly this part sounds pretty darn fruity  for 
Megadeth when played on an acoustic.  Buy hey, polished musicians 
use classic chord progressions right?
                   
  E          B     A      A E A E D A   A   E   E
E|-----0---------------------------------4---4-----0--------------|
B|-----0-------------------5-5-5-5-3-----5---5-----0--------------|
G|-----x------4-----2------6-4-6-4-2-2---6---4-----x--------------|
D|-2---2------4-----2------7-6-7-6-4-2---7---6---2-2--------------|
A|-2----------2-----0----------------0-----------2----------------|
E|-0---------------------------------------------0----------------|



This is the little riff after the chorus.  It may take a couple
practice tries to get the bends to sound just right and clean.
Bending up 2 or 3 frets accurately is not too hard, but nailing 
two different bends back to back is a slight challenge.  (I just
wish he had varied the riff a bit throughout the song.  It sounds
too commercial to hear the exact same catch phrase repeated.)

E|----------------------------------------------------------------|
B|----------------------------------------------------------------|
G|------9-11-11b3-11b2-9~-----------------------------------------|
D|--/11-----------------------------------------------------------|
A|----------------------------------------------------------------|
E|----------------------------------------------------------------|