23a. Row after promise made to include league's leader in baseball championship (5,6). Answer WORLD SERIES but apart from the 'ROW' bit I just do not see.
There are quite a few!! 4a Stumped by foundation garment? I don't believe it! Answer STROLL ON 10a. Stupid rioter in Pennsylvania capital. Answer PRETORIA I get the anagram bit but where do they get...
14a. Flag showing major shipping hazards (5,3,4). ?t??? a?d ???? This is obvious (to me) a saying I have not heard so an explanation would help thank you!
15a. Lady longed-for in France (7). D?S?R?E I get Desiree or deserve but do not understand!
21d. Distant lionesses trapped insect (7). I get nothing with this one!...
27a. Believer did not start with spectacular theft (5). Answer HEIST I do not get the believer part. It is obviously a believer with the start omitted.