This was the typeface Obama used in his 2008 election campaign. The official new logo for One World Trade Center does have a similar font. Here's how it might appear in a non-letterhead visual.

Everybody is an important part of our response to #ClimateChange. We are all inhabitants of ‘One World’ and our logo represents the many elements that must unite towards action. The imagery ...

The logo’s “ONE,” when used on postcards and stationery, will be set in Pantone 301 flat blue, which the marketers are calling “One World Trade Center Blue.” “Unsurpassed in quality ...