...investments in Four Seasons healthcare and Senad, a special needs schools group. In its most high-profile raid to date, in partnership with British financier Paul Taylor, the QIA has backed Delta Two, a vehicle that is bidding £10bn to acquire J Sainsbury...countries. There are fears that the investments could be used as political tools. Florence Eid, Middle East head at Pantera Capital, a hedge fund, says the fears may be alleviated by some of the Qatar government's reforms, such as a decision...By Simeon Kerr