THE value of credit-card points has long been a topic of debate among business travellers. The subject is also picked over online on an impressive number of dedicated blogs and forums. Now it is getting an airing in a different sort of venue: the corruption trial of an American senator.

Robert Menendez, a Democratic senator from New Jersey, is facing charges for allegedly doing favours for Salomon Melgen, a Florida-based eye doctor and friend of the lawmaker. Prosecutors say that Mr Melgen was trying to avoid repaying the government $8.9m that he had allegedly overbilled Medicare, the public health-care programme for seniors. And he wanted Mr Menendez’s help in exchange for lavish kickbacks. These included flights in a private jet, stays in a fancy hotel and more than $750,000 in campaign contributions. 

But at the centre of the third day of the trial last week was the issue of credit-card points. In 2010, Mr Salomon paid for Mr Menendez to stay for three nights at the Park Hyatt Vendome, a five-star hotel in...Continue reading