That post was in answer to Mince, not Roger.
Roger, the guy in question is (in my opinion) a pretty awful character, a religious fundamentalist, a braggart, a serial self-publicist in the most awful manner (no charm, no sophistication) and he's generally unpopular, but no-one tells him.
Things came to a head when a discussion about the Iraq war got a little heated. He's a big supporter of God and the war, and backed up the sending of troops with flowery cartoons, romantically linking the war with praying soldiers, the US flag, angels, knights in armour, praying, the US flag, praying, etc, etc...
The guy is a big Bush supporter too, and recently used the name Bush alongside what he regarded as other "war" presidents, like Ike, FDR, etc.
I took exception to this, pointing out the Bush had basically started his own war, against an innocent nation, and that he was a cretin.
The guy also encouraged us to "understand" the reasons for continuing the war, and I asked him to explain to us what they were. He couldn't apparently, and signed off with "goodbye" followed up with an email invite for me and him to fight.