Radio Times 9
Brain not working this week. 16a - *P***** - Witty saying exalts first animal, male one; 14d - ***U*S*R* - Chicanery unearthed by a USSR city; 13d - R***R*L*S* - Look at fewer things at any cost; 17d - *U*K*R* - Immerse needle in port; 21d - R*N* - Manage to swing last step. Many thanks in advance.