The Supreme Court has agreed to examine on Monday a petition filed by Aam Aadmi party (AAP) spokesperson Raghav Chadha, as to whether re-tweeting somebody's allegedly defamatory tweet amounts to defamation.He also sought a direction to the Delhi High Court for expeditious hearing of the defamation case filed by Union Finance Minister Arun Jaitley.Appearing for Chadha, senior advocate...