1: Batters consisting of partially digested food and semi-solids (7)
5: Hardy's first note about novel heroine: she's entertaining (7)
9: Minor change in the White House? (6-3-4)
10: The rate changed at movie house (7)
11: Bees encircling trash--back, over, and above (7)
13: Part of book covers ballpark legends, using reliable background sources (5)
15: Justify jingoism? (7)
17: Bring salvation to despised, rejected (7)
20: Discussed one who broadcasts mistake (5)
21: Small boat from County Clare, possibly (7)
22: Hole put in curtain by large cat (7)
24: Double profit repeatedly (5,3,5)
26: Alien contributed to Journal of Nutrition (7)
27: The old Queen was said to be a grizzly mother.(3-4)