Sen. Ted Cruz (R-Texas) wants the Justice Department to save documents related to its two-year investigation of allegations that the IRS targeted conservative groups. "This Administration's recent announcement ... has finally made it abundantly clear that the responsibility of ensuring a thorough, fair, and impartial investigation of IRS employees and their potential criminal conduct will fall to the next presidential administration, and relevant materials must be protected accordingly," Cruz, who is running for president, wrote in a letter to Attorney General Loretta Lynch. He sent the letter Monday, after the DOJ announced last month that it was closing its probe....