There's list of senators everywhere just pick a thread in this section.
for example:
http://dreamact.info/forum/showthread.php?t=18715
Also you can send holiday cards through this link:
http://act.reformimmigrationforameri...dream_holiday/
__________________
Initial Approval: 11/13/12
1st Renewal: 10-7-14
2nd Renewal: 10/12/16
3rd Renewal: 5/16/2018