Byron Bunda, a junior at the University of Connecticut, had been looking forward to casting his first vote for president last Tuesday. But a voter registration snafu in Mansfield involving the Connecticut Public Interest Research Group denied Bunda and 92 other voters, mostly UConn students, the ability to cast their ballots. Ninety-three voter registration cards that were supposed to be submitted to the Mansfield Registrar of Voters were lost in a filing cabinet and not recovered in time for the election, according to Andrea Epling, Mansfield's Democratic Registrar of Voters. Bunda, of Larchmont, N.Y., said he filled out a registration...