Rahul has no guts to expose Modi : Kejriwal

New Delhi, Dec 16 : Delhi Chief Minister Arvind Kejriwal said on Friday that Congress Vice President Rahul Gandhi had no courage to expose Prime Minister Narendra Modi s alleged corruption."Rahul doesn t have guts to expose anything against Modiji. The day he does it, Modiji will arrest (his brother-in-law) Robert Vadra," the Aam Aadmi Party leader tweeted.Kejriwal s comment came days after Gandhi threatened to expose corruption by Modi. He has not done so, but on Friday he led a Congress delegation to Modi to plead the cause of the farmers.