Facing charges of wheeling-dealing in land deals, Robert Vadra on Sunday accused anti-graft activist Arvind Kejriwal of trying to gain cheap publicity for his political party, but failed to refute specific charges levelled by the crusader. Kejriwal hit back saying Vadra has not answered questions on his links with DLF and challenged him to “come out in the open.” He also described the real estate company’s testimonial as “half truths and lies”.