“It’s been a long, hard and difficult struggle to come to where I am now.” I’ll say…Rep. John Lewis officially switches to Obama. Also, North Dakota Sen. Byron Dorgan announced his backing of the Senator from Illinois today, bringing Obama’s superdelegate total to 200. (He still lags behind Sen. Clinton by 56 in the supers category, but has picked up a net total of +34 since Super Tuesday.) Finally, if you’re looking for more endorsements, there are at least 999,998 more of ’em out there: The Obama campaign reaches one million individual donors, and counting. Update: When Rep. Lewis says this was a tough decision for him, he wasn’t kidding.