1: Belgian port getting rid of an idiot (5)
4: Stopped? No somehow deferred (9)
9: Ironically to the point (5)
10: Gray's line about young animals (9)
11: Following conference's end, wild riot is focus of 'Call' published opinion (9)
12: Solo, the pilot rises? No way (3)
15: Proficient in arithmetic, starting with short division (5)
16: Beats Greek bread, Mr. Buchanan! (7)
18: One eating little head of lettuce held by cook in hot water (7)
20: The ultimate in tepee doctrine (5)
21: Bite and flip over -- one way to win a wrestling match (3)
23: Smallest-diameter bolt installed in tree house (9)
25: Accept amputation to carry on an affair (4,2,3)
27: Dance and drink with couple of barflies (5)
28: Graces or christens covering over New Testament (9)
29: It might make an impression on a philatelist (5)