Republican senator’s bill to target U.S. ‘political intelligence’ firms

By Sarah N. Lynch and Andy Sullivan WASHINGTON (Reuters) – Law firms, brokerages and other companies that analyze the U.S. government for investors could be forced to disclose client lists and other sensitive information under legislation that a top Republican lawmaker hopes to soon resurrect. Iowa Senator Charles Grassley is investigating what he calls a "political intelligence" firm and whether it engaged in insider trading last month. Grassley is also looking at other firms and trying to ensure greater transparency about how private firms use data they get from government officials. …