St. regulator often in legal suits with utilities (Pretty Stupid Clue, huh?)
9A
Celebrity chef Brown
10A
What a despairing Cockney might lose
11A
Title words before "Mrs. Jones" (Billy Paul), "Bobby McGee" (Janis Joplin), "Julio Down by the Schoolyard" (Paul Simon) and - I kid you not - "You and a Dog Named Boo" (Lobo)
12A
Messi, for one
13A
Tuscan river
14A
"That's suitable"
15A
Card of a certain suit
17A
Notes in a C Major triad
18A
Galena and bauxite, e.g.
19A
AL West team
20A
One hoping to return to Zion
22A
Birthplace of Albert Einstein
23A
____ a trade (works, such as assembling toilet paper with two layers)
24A
Deg. for an aspiring technologist
25A
Card of a certain suit
Verticales
1D
Piano player in "Casablanca"
2D
They might end criminal suits
3D
"Pong" was an early one, "Centipede" a late one
4D
Karan who designs suits
5D
Body type needing a portly suit
6D
Part of Oceania
7D
Lead-footed one
8D
High-ranking suits
16D
Spanish exclamation of agreement or surprise (it's an anagram of ALERO (as in Oldsmobile))