Minnesota’s Senate race isn’t one of the best chances for Republicans to pick up a seat, but a new poll shows that it’s a possibility. A new Suffolk University poll finds Democratic incumbent Al Franken leading all four, relatively unknown Republican candidates, but he fails to pick up majority support from voters. In four head-to-head match-ups with declared Republican candidates, Franken gets roughly 44 percent support to the Republicans’ 29 percent. While his lead is in the double digits, the gap falls within the percentage of Minnesotans who say they remain undecided on who to support. Nearly one-fifth, or 19...