LONDON, April 6 (Reuters) - The British government was under growing pressure on Monday to bar U.S. rapper Kanye West from entering the country after he was named as the headline act for the Wireless Festival of rap and hip-hop music set for July. West, now known as Ye, has been criticized in the past for antisemitic remarks and celebration of Nazism, which have led on several occasions to his social media accounts, including on X, being barred. Advertisement The decision to book Ye prompted several companies to pull their sponsorship of the festival, while the main opposition Conservative Party...