In the crowded deck of travel rewards cards, the Citi Premier℠ Card can get lost in the shuffle. It provides solid benefits for frequent travelers but has lacked any standout features that make it a must-have. Citi recently updated the card’s sign-up bonus: Earn 60,000 bonus ThankYou® Points after you spend $4,000 in purchases within the... Sam Kemmis is a writer at NerdWallet.