A tale of two cities...

A tale of two cities...  Via my mom...

	Chicago, IL	Houston, TX
Population	2.7 million	2.15 million
Median HH income	$38,600	$37,000
% African-American	32.9%	24%
% Hispanic	28.9%	44%
% Asian	5.5%	6%
% non-Hispanic White	31.7%	26%
A reasonably similar match-up - until you look a little deeper:
	Chicago, IL	Houston, TX
Concealed carry gun law	no	yes
# of gun stores	0	84 dedicated gun shops, 1500 places to buy guns (Walmart, etc.)
Homicides, 2012	506	207
Homicides per 100k	18.4	9.6
Average January high temp, F	31	63

Progressive conclusion: cold causes murder.