Not on Rye
Head start? IDEA
First lady’s garden site? EDEN [I’ve seen First Lady (Mrs. Obama) capitalized, but not president (Mr. Obama)]
Theme: four definitions of the word HAM
Clue {for theme}
HAM [just in case you missed them]

Three baseball clues and a reference to “The Sopranos.” Thanks, Billie. And there were some other interesting entries: “Plotting” for UPTO, “Proverbial equine escape site” for BARN.
RATING:

Three grins = Loved it; Two grins = Enjoyed it; One grin = A bit bland for my taste; One teardrop = Not much fun