A Liberal government bill that proposes giving police and spies easier access to information during investigations has fallen into the crosshairs of U.S. tech giants and two American congressional committees, threatening to become the latest irritant in the Canada-U.S. relationship. The bill, this government’s second attempt at passing lawful access legislation, has already garnered intense domestic scrutiny from privacy and civil rights advocates, and is now attracting attention south of the border.  Late last week, the heads of two American congressional committees sent a letter to federal Public Safety Minister Anandasangaree calling for changes. Republicans Jim Jordan, chair of the U.S.…