easing of hostility or strained relations
détente
mercy or lenience
clemency
to call into question the validity of
impeach
forgive or excuse
pardon
willfully not telling the truth in court after having taken the oath
perjury
writ ordering a person to attend court
subpoena
major political scandal in the 1970s
watergate
privilege claimed by the president for the executive branch to keep stuff from the public
executive privilege
secret plan by a group to do something unlawful or harmful
conspiracy