April 15, 2010 7:02 am 6 a.m. Web Sights: Thursday, April 15 The Library of Congress wants to keep your tweets, homeless people must pay rent, the cyber hand and President Obama sings “Tax Man.” Local 1:34 ‘Flash mob' involving hundreds leads to cancellation of suburban carnival: police 2:30 Snow removal proposal sparks intense debate in Chicago 0:36 Suburban carnival abruptly shut down early due to ‘large fight,' police say 2:00 Pride month celebrations begin in Chicago. What to expect 1:34 Recent HS graduate struck and killed while changing tire Interstate 290