What we're mulling on Monday ... #MIsen: Michigan's Democratic primary waters are clear now — so when will Rep. Gary Peters jump into the Senate race? Debbie Dingell announced in a Saturday Facebook post that she will not seek the Democratic nomination to replace retiring Sen. Carl Levin, D-Mich. No word yet from Peters on an announcement. #SC01: Not everyone has abandoned former Gov. Mark Sanford's special election bid. National Right to Life PAC spent almost $6,000 on mailers for Sanford, according to online records with the Federal Election Commission. #HIsen: Your move, Rep. Colleen Hanabusa, D-Hawaii. The Democratic Senatorial Campaign Committee will back Sen. Brian Schatz in the Democratic primary, via the Honolulu Star Advertiser. What you might have missed "At the Races" on Monday.... (more…)