Democratic National Committee Chairwoman Debbie Wasserman-Schultz is facing a serious and well-funded challenge for her congressional seat in Florida and recent behavior suggests she’s feeling the heat. Take her appearance yesterday on MSNBC. Mediaite points out that host Steve Kornacki couldn’t even get the DNC Chair to commit to a debate with her upstart challenger, Tim Canova: DNC Chair Debbie Wasserman Schultz Repeatedly Refuses To Answer Questions On Her Own Reelection Watch the video above. When the MSNBC host raises the issue of her challenger and the money he’s been able to raise, you can see Wasserman-Schultz’ physical reaction. She...