From a New York Times story by Matt Flegenheimer and Maggie Haberman headlined “Giuliani’s Drinking, Long a Fraught Subject, Has Trump Prosecutors’ Attention”:

Rudolph W. Giuliani had always been hard to miss at the Grand Havana Room, a magnet for well-wishers and hangers-on at the Midtown cigar club that still treated him like the king of New York.

In recent years, many close to him feared, he was becoming even harder to miss.

For more than a decade, friends conceded grimly, Mr. Giuliani’s drinking had been a problem. And as he surged back to prominence during the presidency of Donald J. Trump, it was getting more difficult to hide it.