Call it ActRed. There’s something of a competition brewing between three new Republican groups angling to cut into the online fundraising advantage enjoyed by Democrats and their Internet money machine, ActBlue. Rightroots, Big Red Tent and Slatecard.com are the latest in a series of as yet unsuccessful efforts by GOP operatives to close their party’s Web-cash gap with Democrats. All three will allow visitors to their websites to contribute to Republican candidates running for federal offices, plus in Rightroots’ case a few who aren’t – namely might-be presidential candidates Fred Thompson, Newt Gingrich and Chuck Hagel. The committees will forward...