http://www.senate.gov/general/contact_information/senators_cfm.cfm
Find your Senator and Fax or E-mail them.
I chose to do so with Senator Cornyn form Texas as well (I live in AR)
Feel free to read my examples and get ideas. I would suggest saying something about the Money Limitation of judgements. I didn't ask my Senators about that issue, I choose to zero in on the venue aspect.
Don't forget to outright ask them to not vote for the bill.
Time is short .