Net neutrality advocates are taking to the skies over Austin, Texas, this weekend to hit Sen. Ted Cruz (R-Texas) for his opposition to net neutrality.A plane dragging a 1,500-square-foot banner reading “Don’t be an enemy of the Internet, Sen. Ted Cruz,” will fly above the Texas capital on Friday and Saturday afternoons, while the South by Southwest festival goes on down below.Cruz has been one of Congress’s most vocal critics of federal net neutrality regulations, which attempt to ensure that Internet service providers such as Comcast and Time Warner Cable treat all online traffic equally.Last year, he called it “ObamaCare...