jfk predecessor: crossword clues

Matching Answer
Confidence
DDE
95%
LBJ
60%
FDR
60%
RMN
60%
EIN
60%
ETA
41%
SST
40%
SSTS
20%
PAAR
20%
ARR
20%
e.g. Greek Cheese
e.g. O?D (Use ? for unknown letters)