The mother of four who took a politically motivated shot at President Gerald Ford in San Francisco in 1975 got out of the low-security Federal Correctional Institution in Dublin this morning. She pleaded guilty way back then, over her lawyers' objections. Retired public defender James Hewitt said he hopes Moore, now 77, doesn't try to contact him, but says she poses no threat. "She is pretty close to becoming an old lady," said Hewitt. "This is a strange woman. Let's hope she has gotten over her strangeness." Ford's life may have been saved by Oliver Sipple, a gay former Marine who knocked Moore's arm just before she fired, then subdued her. Sipple was outed as gay, over his objections, by the San Francisco Chronicle and local gay leaders.