Former Gov. Michael Dukakis says a Cambridge man facing five years in federal prison for repeatedly lying to the FBI about his pal Dzhokhar Tsarnaev is “a fine young man” who “could have a great future in public service.” Dukakis went to bat for Robel Kidane Phillipos, 21, in a letter to U.S. District Court Judge Douglas P. Woodlock ahead of Phillipos’ sentencing today for making false statements to the FBI in its investigation of the Boston Marathon bombings. Prosecutors want five years. Phillipos and Tsarnaev, both 21, grew up together in Cambridge and were classmates at the University of...