New state Sen. Tom Killion (R-9) takes the oath of office, Wednesday, in the state Senate Chambers in Harrisburg. Killion won a special election April 26 to replace retiring state Sen. Dominic Pileggi. HARRISBURG — Tom Killion (R-9) was sworn into office as the state senator representing the 9th Senatorial District in Delaware and Chester counties during a ceremony Wednesday in the Senate Chamber...