Who's who in the race to succeed Rep. Bruce Vento

When Americans pick a representative to send to Congress, they send that same person to Washington for several terms. While the power of incumbency makes it difficult to replace a sitting Representative, it also means an open seat becomes a magnet for Congressional hopefuls. Such is the case this year in Minnesota's fourth district. Minnesota Public Radio's William Wilcoxen has this look at the race to succeed the retiring Bruce Vento...