But germ warfare experts dismiss such threats as verging on the impossible.
Mr. Karzai's increasingly harsh response to American initiatives in recent years has struck some officials as verging on paranoia.
Although putting it this way might be seen by some as verging on the "semi-hysterical," so apologies in advance if it seems so.
A draft government document leaked earlier this year – and criticised by the opposition as verging on bigotry and racism – singled out the Lebanese community in connection with Australian-based Sunni extremists.
My beloved Greta may well deem today's recipes as verging on the blasphemous, but they do put her favourite tuber in a fresh context.
Others were ambivalent: the Washington Post columnist David S. Broder said the demonstrations might help prod the administration to the bargaining table, but he described them as verging on "liberal sentimentalism run amok".
The critic David Sylvester, a friend of Hamilton's, described this as verging on madness, a consuming obsession with "modern living, modern technology, modern equipment, modern communications, modern materials, modern processes, modern attitudes".
Indeed, it strikes the domesticated mind as verging on unreasonable to hold men morally responsible when pregnancy is unwelcome, unwanted or, in the case of the Zika virus, a potential public health disaster.
Then another Gardner evening: a double bill of Bluebeard's Castle, directed by Daniel Kramer (who did ENO's Punch and Judy at the Young Vic last year, and whom Gardner described as "verging on a genius"), and The Rite of Spring.
