Washington, DC - The lawyer for former White House political director Sara Taylor -- who has been subpoenaed to testify before the senate this week about the firing of several U.S. attorneys -- sent a letter to Chairman Patrick Leahy, D-Vermont, asking that she not be used as "the focus of the constitutional struggle." The former White House staffer is asking for compassion from the Senate Judiciary Committee in what may be another constitutional standoff between the legislative and executive branches, while the committee's Democratic chairman is sharpening his words. "In our view, it is unfair to Ms. Taylor that...