Former senator Howard Baker dies

Former senator Howard Baker dies

CNN: Former U.S. Senator Howard Baker, who famously asked Richard Nixon during the Watergate scandal what he knew and "when did he know it," has died at the age of 88.

A Tennessee Republican, Baker made his political mark over four decades, serving as majority leader and also ran for president in 1980.

Baker's former press secretary, Tom Griscom, confirmed that he died on Thursday.

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