Minnesota Sen. Tina Smith (D) holds a 7-point lead over Republican challenger and state Sen. Karin Housley ahead of November's midterms, according to a new poll publishing Monday. The Star Tribune/MPR News Minnesota poll found that Smith, who replaced former Sen. Al Franken (D) following his resignation in January, has the support of 44 percent of likely voters. Another 37 percent support Housley, while 15 percent of those surveyed say they remain undecided, according to the poll. Smith, the former Minnesota lieutenant governor, was tapped to replace Franken after he resigned amid allegations of sexual misconduct. Smith now faces Housley...