The World Bank said it has cut...

The World Bank said it has cut the interest rate on loans to developing countries to 7.92% from 8.23% for the six months that began Jan. 1 . . . A federal judge in Dallas ordered Southwest Airlines to halt a drug and alcohol testing program that it began Jan. 1, citing violations of the company’s union contract . . . Muzak, a name synonymous with recorded background music, has merged with Yesco Inc., a company that packages contemporary music for commercial settings, for undisclosed terms.