For or against?

The need to control people's right to own a gun has been an open debate in the US for years but since the shootings at Sandy Hook Elementary School last December, in which 20 kids and 6 educators were killed, it has been raging.
Barack Obama announced an initiative to reduce gun violence and has been backed up, among many others, by the mother of one of those fatally shot children. 
I've chosen her touching speech to introduce voiced consonants. These consonants are produced with the vibration of our vocal chords. You can feel this vibration by putting your fingers on your throat while producing the words 'zoo' /zuː/ and 'river' /ˈrɪvə/.
If you want to learn which  consonants are voiced and what they sound like, click this link.
Then, watch the video and do the fill-in-the-gap activity. All the missing words contain voiced consonants and you can use the phonetic transcription in the 'Clue' to help you. You can check your answers clicking the KEY.