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война компроматов stresses
gen.	sleaze smear war (Lavrov)
Игорь Миг	smear war; sleaze; mud-slinging (Trump and Clinton: Mud-Slinging Both Ways in the U.S. Presidential Elections -– MBerdy.17); dirty politics
inf.	a sleaze war (использование в средствах массовой информации порочащих репутацию друг друга материалов a public relations war in which both sides use compromising materials against their opponents); a smear war
polit.	a sleaze war (bigmaxus)