I only sounded out a few parts.
Hopefully this'll get people started on posting the rest of the tab.
[ Tab from: https://www.guitartabs.cc/tabs/s/serj_tankian/feed_us_tab_ver_2.html ]
/Guitar 1
e|------------------------------------------------------------------|
B|------------------------------------------------------------------|
G|----0---0---0----0---0--------------------------------------------|
D|----5---5---5----5---5--------------------------------------------|
A|-77---7---7----7---7----------------------------------------------|
E|-00---0---0----0---0----------------------------------------------|
/Guitar 2
D|------------------------------------------------------------------|
A|------------------------------------------------------------------|
F|------------------------------------------------------------------|
C|--4-----7-----3-----6------4----7-----9-----12--------------------|
G|--4-----7-----3-----6------4----7-----9-----12--------------------|
C|--4-x6--7-x2--3-x6--6-x2---4-x6-7-x2--9-x4--12-x4-----------------|
/Guitar 2
D|------------------------------------------------------------------|
A|------------------------------------------------------------------|
F|------------------------------------------------------------------|
C|--444--444--444--777--333--333--333--666--444--444--444--777------|
G|--444--444--444--777--333--333--333--666--444--444--444--777------|
C|--444--444--444--777--333--333--333--666--444--444--444--777------|
D|------------------------------------------------------------------|
A|------------------------------------------------------------------|
F|------------------------------------------------------------------|
C|-9------12--------------------------------------------------------|
G|-9------12--------------------------------------------------------|
C|-9-x8---12-x8-----------------------------------------------------|