Chicago, Sep 12 (IANS) A US Congressman who has mounted a campaign to revoke the ban on an American visa for Gujarat Chief Minister Narendra Modi says in the "trying economic times" this country "could learn a great deal from him". "Modi has been recognized across the world for his staunch stance against corruption and for making Gujarat a shining example of the successes that pro-growth, limited government policies can create. In the US's trying economic times, we could learn a great deal from him. Instead of denying him a visa, we should be inviting him to apply," Republican Congressman Joe Walsh, who represents Illinois' 8th district from the Chicago area, told IANS in an interview. In recent months at the urging of his particularly vocal Indian American constituents Congressman Walsh has stepped up his campaign to end the seven-year-old ban by writing to Secretary of State Hillary Rodham Clinton. In a letter dated June 13, 2012, Walsh s...