Caption: HUMPHREY TO MAKE CANDIDACY OFFICIAL--Sen. Hubert Humphrey (D-Minn) (right), whose friends today will officially announce his candidacy for the Democratic presidential nomination, tells newsmen at a press conference yesterday he'll support the "favorite son" candidacy of California Go. Edmund (Pat) Brown (left). Humphrey said he would re-assess the situation, however, if other candidates "seek to make a political battleground" of the California primary.
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