The US annual inflation rate rose to 7% in December, a figure not seen since 1982. Jayne Schaber lives in New York state and tells us about her experiences when out shopping, and we get a historical perspective on the latest figures from Professor Peter Morici of the Robert H Smith School of Business at the University of Maryland. Also in the programme, Kenya and the United Arab Emirates are embroiled in a row that has seen air links between the two countries suspended. Victor Amadala of The Star in Nairobi explains the background. The BBC's Clare Williamson reports on a fierce political row that has broken out in the European Union over how to define what is green or sustainable in new guidelines for finance and investment. Plus, a new report from the app monitoring firm App Annie indicates that smartphone users are spending an average of 4 hours and 48 minutes each day on their devices. The BBC's Jane Wakefield discusses the findings.