All these years in, when this show works, it still works – and as with The Voice, among its most effective moments are the audition rounds, when contestants are told whether they’ll be going through to the competition round. Last night, when 16-year-old Tyanna Jones (pictured) got the nod, it was truly touching – and, thanks to her confident performance at the House of Blues in Los Angeles, totally deserved. The thinning of the herd continues tonight, which means more drama, mo