Microsoft chief executive Satya Nadella called the idea that users have choice in internet search “bogus” because of contracts that make Google the default search engine on mobile devices. During his testimony in an anti-trust trial pitting Google against the US department of justice, Mr Nadella on Monday took aim at the agreements at the heart of the US government’s case, which accuses Google of preserving dominance in internet search by paying more than $10 billion (€9.5 billion) annually to ensure it is the default search engine on mobile phones and computers. The company has denied wrongdoing, arguing it is…