1: Polygraph unexpectedly traps vandal (3)
2: Police questioning a retiring toon under the table (13)
4: Racing off without first resting (5)
5: An oral examination is not advised if one has this sort of foresight (4,5)
6: Expelled for being extrovert? (6,3)
7: I deem turds a regrettable necessity (11)
10: Tint bark clogs to provide foot support (8,5)
11: Goes through ere sixpence circulates (11)
15: Aroused with short tutu, mesmeric midsection, and perfume (9)
16: Lada, for example, gets favourite treatment for VIPs (3,6)
21: Natural talent in opening measures of Franz Liszt melody (5)
22: Poverty-stricken, longing to rise up and get education (5)
26: It comes to a point everyone heard (3)